Chain Bicycle Lock Alarm

Chain Bicycle Lock alarm
Product description:
Application range:
Can be used on:Door, car steering wheel, bike, window, toolbox, truck, trailer, boat, shed, side gate, container, public storage unit, cart, garden machinery, locker, lock room, etc

Features:
100-110 dB alarm soundAuto-alarming system & locking system
Can be used alarmed or unalarme
D states
Automatic alarm reset
Shake?Shock?Move or vibrate sensor
Resist corrosion, weather-proof
Material:Plastic head or plated head and steel chain
3 PCS button batteries (digital watch style), battery life:4-6months

Operation:
1.The unit adopts two steps to operate, the first step can only act as the lock function, can emit an alarm;
The second step can either act as lock, also activate an alarm status.
2.Please use the key to twist the key core as to make the lock pole lock the second step of lock core bar , when you hear the sound?Which means it is coming into the alarm situation, after 15 seconds, When the lock or bicycle is vibrated by other person, it will emit alarm sounds and keep emit alarm sound
If with serial movement or vibration to it.Each alarm sound emit will last 10 seconds.

3.When you hear the sound.Ge.Ge??Nbsp;Constant sounds or the alarm sound stop suddenly,
That means the battery will run out, you need to replace the old battery.
4.When replacing old battery, open the lock with the key, remove the two screws beside the lock hole,
Take out the rubber washer, you can replace the old battery, please pay attention to the anode and cathode.