WAFU Invisible Wireless Remote Control Electronic Lock

Features: 1. Made of high-quality zinc alloy for stable performance.
2. Invisible remote control lock, specially designed for home security.
3. No keyholes on the outside, no way for thieves to enter.
4. Tiger locking mechanism, more secure and stable.
5. Superb design and easy to install.   Specifications: Features: Made of high-quality zinc alloy for stable performance.
Invisible remote control lock, specially designed for home security.
No keyholes on the outside, no way for thieves to enter.
Tiger locking mechanism, more secure and stable.
Great design and easy to install.
Specifications:
Main unit:
Material: Zinc alloy
Size: 15.5 * 8 * 3.5 cm
Power supply: 2 * AA batteries (not included)
Transmission frequency: 433MHz (± 500KHz)
Operating range: within a radius of 20m
Unlocking method: unlock via remote control and unlock via mobile phone (an additional Bluetooth adapter is required)
Remote control:
Color: Silver
Size (each): 6 * 3 * 1 cm
Battery (each): 1 * CR2032 3V (included)
Standard number: 4 (included)
Maximum number of controllers: 16 (not included) (included)
Function: Lock and unlock
Package list:
1 * Lock (batteries not included)
1 * Lock body bracket
1 * Lock latch
4 * Remote controls (batteries included)
1 * Bag of mounting screws
1 * USB cable
3 * Fixing stickers
1 * Manual
Note:
The device will beep and flash red to indicate a low battery. If the battery is too low, it cannot be locked and must be replaced with a new one.