WAFU WF-011A Security Keyless Smart Remote Door Locks, Wireless Invisible Anti-theft Lock with 4 Remote Keys - SilverDoorbells<br>ColorSliverModelWF-011AMaterialStainless Steel + PlasticQuantity1 setRemote Control Range15 cmPower AdaptornoPower SupplyAA,Others,CR2032 (3V)Battery included or notNoBattery Number4Power AdapterWithout Power AdapterTransmission MethodWireless,TouchCertificationCEPacking List1 x Main lock1 x Lock catch4 x Remote keys1 x Installation board of lock1 x Other accessories1 x User manual<br>