* Made of premium alloy and PC material, rust-resistant and durable.
* Can be installed on file cabinet, wardrobe, ABS cabinet, steel cabinet and plastic cabinet etc.
* U-shaped waterproof unlock bracelet, easy to carry and storage.
* Widely used in school, hotel, home, sauna, shower room and etc.
* Three unlocking modes for option: Single card unlock, double card unlock and one-time unlock.
* With low voltage alarm function when the voltage is lower than 4.8V.