Works fine but a fatal flaw.
584155
As stated in the title, this device works fine for its intended purpose with one big but. The bulb as supplied, and as I have replaced more than once, is very delicate and breaks VERY easily. The plastic protective cage surrounding the bulb and Hi-Voltage grid almost contacts the bulb when at rest. Because the cage is very flexible it is easy to cause the cage to contact the bulb which, invariably, causes the bulb to break or crack.

Because this is used in a vacation home we remove the device when leaving and reinstall when arriving. I cannot trust anyone but me to do this as any kind of normal handling tweaks the plastic cage breaking the bulb. If not for this my experience would be 4 1/2 stars.
1803085
The device works as advertised. There is a minimal amount of static when the device is on and the radio is tuned to the correct channel, but I suspect that this static is unavoidable. When driving with music, however, the static, relative to the noise in the car, is unnoticeable.

I had the same problem others had with the device not fitting in the cigarette lighter ports. Luckily, I have two, and it fits in the second; however, the first one I tried actually caused the case around the base of the transmitter to split a little. It snapped back together and works just fine, but I'm concerned that frequent removal and reinsertion into the cigarette lighter will cause the device to eventually break.
3755196
Worked exactly as stated; solved a very annoying problem.
2593200
While the unit's construction appears to be solid it has an engineering flaw: when voltage drops slightly below 115V, it overcorrects the problem and starts outputting 126V (which is actually more dangerous to my equipment than a slightly low voltage like 114V.)  Wouldn't have known had I not pulled out a multimeter to test it.
4019853
This would have received 5 stars, but there is one problem and it is an annoying problem.  It works as advertised, with one major exception.  While fitting perfectly for the most part, it misses on the connector port.  My 80gb classic fits but the port seems too close to the "front" of the case.  So much of a problem, that I need to take the iPod out of the case when syncing or connecting to any charger.  If I leave it in the case and try to connect, the cord may slip out or it needs to really be forced in.

That is the reason for the 2 star deduction.  Had I been able to connect within the case with just a slight misalignment, I might have given it 4 stars.
1822919
The timer mostly works, but it has one big design flaw.  The rear pedestal with the magnets does not extend all the way to the edge of the front panel, and in fact the "hours" button is on a portion of the front panel that is not backed up by the rear pedestal, and the magnets are not particularly strong.  Therefore, when a user pushes the "hours" button, the timer tilts away from the magnetic surface it's sticking to and falls off.

I gave two stars, not just one, because it does provide a reasonable functionality.

-dk
905828
This plug is well made with one serious, but correctable, flaw. Everything in the part has held up well in my application except for the two screws that secure the electrical parts of the plug to the plastic housing. The screws screw directly into the plastic and tend to pull loose after unplugging cords several times. This results in the center plug hanging out of the hole by its cord, which can strain the wires inside and could be a shock and safety hazard.

The loose screws can be replaced with long 4-40 screws and locking nuts. These will stick through the rear of the plastic housing and have held up perfectly for me.
2176530
This switch works as advertised (I use it with tube SmartThings 2 Hub). However, the designers located the ground screw on the top of the thing's body. This means that you need to remove the ground screw in order to get it to fit in some plastic boxes (the heavy duty gray ones in particular), thus creating a safety hazard and code violation. This was simply a poor design choice, as there is no functional reason fir such a location. If they'd located the ground screw on the side of the body this would be a non-issue.
532102
Works great but the manufacturer need to do something about the wires after some use gets exposed at the tip we're it connects to the device.  Other than that it does the job just fine. That's my reason for three stars.
326721
So - this does exactly what it is supposed to do.  Without extensive testing, it does certainly provide a serial port over a USB connection, and even works well with a Windows 7-64 machine, which has always been a bit of a problem with similar devices.

That said, there is a significant flaw with the device in the way that the retention devices are built on the serial port end of the cable.  This is, as can be seen from the images, a serial device that ends in a male DB-9 connector.  This is obviously good, as it can then connect to the vast majority of devices with female DB-9 connectors.  However, it is generally expected that the cable end will have SCREWS on it, and that the device that you are connecting to has NUTS on it, so that the screws from the cable can be tightened onto the nuts on the device.  Unfortunately, the Trendnet converter has nuts on the side of the serial cable.  As a result, the connector cannot be plugged into a socket which has nuts on it as well - the nuts on both ends will prevent the connector from being able to be seated in the socket.  In most cases, it is possible to remove the nuts from one end, and make the connection.  However, the nuts on the Trendnet adapter are riveted into the body, and are thus not removable.  I had to revert to using a pair of gender changers so as to get clearance to be able to connect the adapter to the device that I needed to connect to, making for a messy configuration.

It works, but really needs to be rethought.  You may well be able to find an adapter that will work better for your needs if clearance is critical.

ADDING TO ABOVE

I've now had a chance to use this adapter for some time, and have just come across a problem that appears to be repeatable.  One of the reasons I needed to use this device was to connect to Cisco switches, which have a serial console port.  I have now had two separate bluescreens on Windows 7-64 while connected to a Cisco.  This is repeatable, and consistent.  However, when connecting to other devices, the adapter worked fine.  For comparison, the Cisco connected fine with an older USB-Serial adapter that I found in the office.  I will continue to test, but for now, I had to take a star off for the BSODs.
561889
Bought this item from seller "eachbid". Unit performed fine at first, but after a month of disuse during which I left it sitting on a windowsill that receives sunlight, I tested it and found it was out of power. I dismantled it and found one of the wires to the solar cell had not been soldered in place. This is an easy fix, but indicates a lack of quality control, and if you don't know your way around a soldering iron you're taking a bit of a risk buying one of these. Unit can be dismantled by prying 4 tiny rubber caps off the bottom, then using a precision phillips head screwdriver. Powered by a three AAA battery pack labeled Ni-MH 3.6V 750mAh. It is also not waterproof; water will pour off the top, but the device will not survive immersion in water and open slots on the underside leave it vulnerable to moisture.
954293
Works well but, as other reviewer's pointed out, it is a bit difficult to fully insert into the matching socket on the camera (a Sony DSLR-A200 in my case).  I don't think that is a problem with this manufacturer's product but rather a bit of a flaw in the basic design.  It just means you have to be careful and make sure it is fully inserted.  Other than that, it works fine. Triggering a 'partial' closure to activate the auto-focus works well and clicking off a picture works fine also. Recommended by this buyer.
3881706
This is a nice sander and should receive 5 stars. It's powerful, quiet, nicely-balanced, and has a smooth variable-speed dial.

However, it gets 3 stars for a nearly fatal flaw:  the "pad brake" that keeps the disk from spinning up to dangerous, work-gouging disc sander speeds when you pull the tool away from the work surface wears out after only a few hours of use.

To fix the issue you need a $2.20 part and 5 minutes or so to replace it. (Milwaukee PAD BRAKE part #44-52-0965). But if you're going to order that part, shipping is at least $5.00, so you might as well order 10 of the pad brakes because you're going to need them, and suddenly you've spent +$30 additional on spare parts (not counting time and effort to order, and to change out the parts.)  How this flaw got past Milwaukee's product-testing phase I don't understand.
3654899
This device works as expected but there is a flaw in the design if you are using the dock for a phone.  I purchased this item to use on my nightstand with my phone plugged in, I like many people use my phone as an alarm clock.  Unfortunately the way the USB ports are positioned, especially if multiple devices are plugged in, the screen of the phone is obstructed by the four cords shooting straight up in front of it.  My guess is that it would not be as much of a problem with a tablet, and it is mostly my fault for not thinking about it before I purchased it, but it has made it less than optimal for what I had intended.

Other than that, it operates well and can seamlessly charge all my devices simultaneously I would just prefer the USB ports placed behind the dock, or on the sides of the unit.
3972784
The monitor itself works great.  Easy to install and setup.  There is one design flaw.  Twice the unit has fallen off the door due to poor quality double stick adhesive.  The second time it fell the battery door broke and has to be taped on.  Also, when it falls off you may receive a false open door signal.  Other than that it works great.  Offers a sense of security if you may be paranoid about leaving your garage door open
280648
The most important aspect of this product is the low price for a 32gb drive. The drive is exactly as advertised and arrived promptly. It appears to me that the manufacturer attempted something really clever without total success. The red LED light that indicates the drive is in use is under the head of the "creature" so the two red eyes would glow when drive is in use. Unfortunately, the LED light is too dim to accomplish this except in darkness. After using this drive for several months, problems have been uncovered. There are too many plastic pieces (legs) making insertion of the drive difficult and perhaps impossible on some computers. The slide out metal head of the drive is too loose so it retracts into the plastic portion much too easily. There are bad sectors in the drive that cannot be repaired.
In short, the urge to make the drive "clever" overrode the main purpose of the drive which is to store data.<a data-hook="product-link-linked" class="a-link-normal" href="/Transformer-USB-Flash-Memory-Drive-32gb/dp/B005NWLKE0/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Transformer USB Flash Memory Drive 32gb</a>
849086
These switches are "okay" with one huge caveat.  I wouldn't use them in anything mission critical but for light casual use they're nice little switches for a very reasonable price.  Now here is the big caveat and the reason for two stars:  there is no documentation nor any mention in the description of their behavior when turned off.  When you turn them off they shunt ground from the LED to the load terminal.  This can be solved with a diode from the negative on the LED to the load pin, but budget an extra 5 bucks or so for a pack of diodes (1N4004 should work).  If you don't use the LED or it's on its own circuit, then this isn't an issue.  These switches are actually dangerous if you're not aware of this rather inconvenient and undocumented issue, since it could cause a huge current draw from your power supply or battery when the ground for the LED and your switched circuit ground are one and the same.  These are durable enough to last for occasional use but they're not going to last for constant use.  My application is for switching a couple low current circuits on a gas heater and some LED lighting that might get used a couple times a day so they're fine.  I would prefer something much sturdier for automotive or aviation applications.  Regarding the shunting issue, I noticed a couple other reviewers encountered the exact same issue so it's not just a bad batch it's the way they're designed, so buy diodes with these if you plan on using them the way I did.