Tuya Wireless Invisible Keyless Electronic Lock Remote Control APP Touch Locked Unlock Smart Home Security Surveillance

Specification Host Machine Color Golden Blue SliverSize 155 80 35mmWeight 539g without accessories Frequency 433MHz ±500KHz Power Supply 2 AA Batteries AC Batteries Life About 6 monthsUnlock Methods Remote Keys Operation Range Within 10m no obstacles Transmission Method WirelessRemote Key Color Black Size 60 30 10mmWeight 25g Function Unlock LockPower Supply CR2032 3V Battery Life About 6 monthsStandard Number 4pcs included Max Keys Number 15pcs not included Features 1 No lock hole design it completely abandons the traditional key and lock in the fully opened and closed by remote control realized the real security 2 Tiger lock method more safe and stable 3 No keyholes outside there is no way for thieves 4 Add USB external power source function Make sure the lock works when battery was dead battery not included 5 Easy installation on all kind of doors very convenientPackage Includes 1 Lock1 Lock Body Holder1 Lock Catch4 Remote Keys1 USB Changer1 Bag of Mounting Screws1 User Manual English