【Wireless Remote Control Unlocking】Remote controllers are programmed with encrypted digital conversion code which cannot be deciphered and copied, anti-technical unlock. Home security door access control system can unlocked by the remote control, then the door is closed, which is safe and convenient. (Remote Control Registration Number: Up to 20 Can Be Registered) 【APP Control For TUYA】Support APP remote control, when guests come, you can use the APP remotely control the status of the lock, and you will be notified in time. The user can control multiple devices on the APP. Bluetooth smart lock can also achieve intelligent interaction with other support for TUYA products, very convenient and safe. 【Anti-theft Performance】Invisible lock, only supports indoor installation and use, dual circuit, high performance, fast identification, dry battery power supply. Anti-technical opening, anti-universal key unlock, anti-card unlock, anti-violence damage. Indecipherable encrypted transformed digital signal, the mutual opening rate is zero. 【Long Term Use】This smart lock has a long service life, 20 times a day unlocking, no wear. Low power consumption, 4* AA battery can provide about half of year of work(Battery Life: It is Recommended to Replace it Every 6 Months), each remote control built-In 1 x CR2032 Button Battery 100mAh, convenient foryou to use. 【Simple & Wide Application】Zinc alloy shell, and will never fade, sturdy and durable, battery box spring is made of special material for long time use, maximize durability. Simple and convenient installation, no additional wiring required. Wide range of applications, suitable for all types of doors: wooden doors, glass doors, metal doors and more., Manufacturer: Dioche