1. Made of ABS material, strong, accurate, safe and durable in use. 2. Contact keypad password lock, no keys needed. Cool to use. 3. Factory state: Management password: 1234, default home mode, When unlocked, the green indicator light will be on, and if the password is wrong, it will sound. 4. Applicable to agent, school, SPA/sauna bath center, swimming pool, gymnasium, golf course, supermarket, hotel, company, factory, household, business clue etc. 5. Battery: button battery (included). 6. Instructions: 7. Enable public mode: 7.1 Enter the correct management password "****+OK" key, the buzzer "di..." a long beep, the unlocking light is always on. 7.2 Press the OK button again for more than 2 seconds, the lock flashes, press the OK button again. 7.3 Enter the numbers "4, 4" and press the "OK" button, "di .." a long beep. 8. Set temporary password: 8.1 Press the OK button, the unlock indicator flashes. 8.2 Enter the 4~15 password to be set. 8.3 Press the OK button, the buzzer will beep for a long time, and the lock will be opened and stored. The temporary password is set successfully. After entering the standby state, the light of the electronic lock will flash every 3 seconds. 8.4 The temporary password can only be used effectively once, and it will automatically become invalid after use. 9. Turn off public mode: 9.1 Enter the correct management password "+OK" key buzzer "di..." a long beep, the unlocking light is always on. 9.2 Press the "OK" button again for more than 2 seconds, the lock flashes, press the OK button again. 9.3 Enter the numbers "4, 3" and press the "OK" button, a long beep "di...". 10. Maximum installation thickness: L = 20mm. 11. Colour: black. 12. Material: ABS. 13. Size: 95 x 33 mm. 14. Package Contents: 14.1 1 * Code Security Lock. 14.2 1 * Mounting panel. 14.3 1 * Mounting nut. 14.4 1 * Mounting screws. 14.5 Only the above package content, other products are not included. 15. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.