| Made of ABS material, strong, accuracy, safe and durables in use. Contact keypad password lock, no keys needed. 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. Applicable to agent, school, SPA/sauna bath center, swimming pool, gymnasium,golf course, supermarket, hotel, company, factory, household, business etc. Battery:button battery (included) Instructions: Enable public mode 1. Enter the management password "****+OK" key, the buzzer "di..." a long beep, the unlocking light is always on. 2. Press the OK button again for more than 2 seconds, the lock flashes, press … | |