Color: Black colorMaterial: Stainless steel, ABS plasticAccept Cabinet or Wardorbe Door Thickness: Within 30mmApply Door: Wooden door onlyPower Supply: 4 * AA batteries (Not Include,Or can't passed the custom security checking)Battery Life Span: ≥1.5YearsOperating Temperature: -30°C~+80°CRelative Humidity: 15,000V, information can be saved though in strong static.Static Power Consumption: <;5μADynamic Power Consumption: about 200mALow Voltage Alarm: <;2.4VCan Be Connect Emergency Standby Power Supply: Yes Size: 7.5*7.5*3.0cm/ 3.0*3.0*1.2in(Lock Body);7*3.6*2.5cm/2.8*1.4*1.0in(Door holder); 8.5*5.5cm/3.3*2.2in(ID Card)Powered by 4pcs AA alkanline battery, which can used for more than 12 months.Master Card/keychain have been set for the lock, no need to be programmed or activated. All you need to do is to install 4 pieces AA alkline batteries, then you can use the lock.This is suitable for wooden door only, widely used special for drawer, locker, cabinet, slidding door.Stand-alone,reset system can be recognized all cards ( Don't worry the problem of losing the card).Great helper for using, soon and conveniently. Cards needn't writting.Package Weight:197g/6.9ozPacakge List:1 * Lock Mortise (Lock Body) (Battery Not Included)1 * Door Holder (Side Catch)1 * Smart RFID ID Card1 * Installation Screw Bag1 * User Manual1 x White CardTools Home Improvement Hardware Door Hardware Locks Deadbolts