110 db Bicycle Security Disc Lock

YOUHENG 110 db Bicycle Security Disc Lock Introduction

110 db Bicycle Security Disc Lock - The alarm disc lock is made of aluminum alloy with a built-in anti-drilling lock cylinder.
This is an indispensable item for you to travel on a motorcycle, stay in a motel, and park in an outdoor public parking space.

YOUHENG 110 db Bicycle Security Disc Lock Parameter (Specification)

YOUHENG 110 db Bicycle Security Disc Lock Feature And Application

110dB alarm sound

6mm pushdown locking pin
Movement and shock sensor
Super waterproof
1 x Allen wrench helps you to change batteries.
Easy installation and easy guard

YOUHENG 110 db Bicycle Security Disc Lock Details

Usage Instructions:
1. Press the lock core. It will be locked and you will hear the sound “beep”, which means it is coming into the alarm status. After 5 seconds, when the lock on vehicle is vibrated, the lock will give an alarm “three beeps”. When the lock is vibrated again, after 5 seconds, it will give an alarm and keep alarm with serial vibration. Each alarm will last for 10 seconds.
2. It will cost 5 seconds to open the lock for the owner. If the lock can’t be opened, it will give an alarm. Use the key to open the lock, the alarm will stop an once.
Battery Replacement:
When you hear the sound “Ge Ge Ge...” constant voice or the alarm sound less than 10 seconds and stop at once, that means the battery will be used up. You need to replace the battery. Please use the provided spanner to spin out the four screws. Take away the top cover and replace the battery. Please pay attention to the anode “+”and cathode “-”.