Instruct: Classify Amazon reviews into positive or negative sentiment
Query: doesnt replace my tk-10

i bought this version to be less bulky ...i have had 3 of these and the clicker to turn it on goes out in less than 4 months ..2 manufacture replacementsdo not recommend for the everyday user ..mite be useful in a emergency bag not worth the price as the full size tk-10 witch is still going sence 2007