GOOD MATERIAL : Made of ABS material, strong, precision, safe and durable. PRECISION DESIGN : The locks have a sleek modern design Brief appearance, compact design, exquisite and precision workmanship. EASY TO USE : Touch keypad lock use the digital touchscreen numeric keypad to enter a password faster than you can turn a key. Shut the door and the magnetic sensor automatically locks the door for you. Cool to use. FACTORY STATE: Management password: 1234, default home mode, When the green is unlocked, the indicator light will be on, and if the password is wrong, it will sound. WIDELY USE: Applicable to agent, school, spa/sauna bath center, swimming pool, gymnasium,golf course, supermarket, hotel, company, factory, household, business clue etc.