Tuya Wifi remote control lock TTLock smart door lock wireless Bluetooth speaker invisible smart lock deadbolt hidden locks keyless

Smart electronic lock with remote control without key, phone control, APP, electronic door lock, Deadbolt wireless anti-theft lock. Note: If you select the WiFi option, the app is the Tuya or Smartlife app. If you select the Bluetooth version, the app is the TTLock app. If you select no phone control version, you will not be able to control the lock via phone. Ideal for: office, home, hotel, anti-theft door, corridor door, wooden doors, garage door, etc. Remote controls: with digital communication system, cannot be decoded or duplicated. Anti-theft and provides security. Made of stainless steel: offers long service life, very strong and stable. Energy-saving and low battery consumption. Easy and stable installation: with external mounting plate. The bottom plate design makes installation easier and more stable. Once the main batteries are exhausted: you can use the backup battery, no need to worry about dead batteries and being locked out. Remote control distance: 10 m / 32.8 feet. Power source: 4 * AA batteries (not included). 1 * 23A 12V battery (included) (if your choice is the Bluetooth version, it is not included). Power consumption: 100 milliamps. Battery life: 4 batteries last for 16 months in standby mode. Operating temperature: -20-70°C. Operating humidity: 20%-80%. Tongue lock movement distance: 23 millimeters / 0.90 inches. Item size: 137*77*37 millimeters / 5.39*3.03*1.45 inches. Item weight: 67 grams / 23.67 ounces. Color: Silver. Materials: Stainless steel. Package contents: 1 * door lock, 1 * lower tool set, 1 * door screw holder, 1 * screw set, 1 * 23A 12V battery, 4 * remote controls (if you select phone control BT, it is the TTLock version), 1 * English and Chinese user manual, 1 * Tuya gateway (depending on your option). Note: Different lighting and screens may cause slight color differences in the product image compared to the actual item. The permissible measurement error is +/- 1-3 cm.