Easy to install and use, waterproof alarm can fit rainy weather, more durable and useful

9V battery power supply, can last a week for normal usage, when the alarm sound weaker than normal alarm sound, you’d better to replace the battery, please take out the battery if long time no use.

Press the red “A” button to enter armed state, one “DU” sound indicate you, press the gray “B” button to quit the armed state, double “DU” sounds indicating. Easy to operate, remote control distance can reach up to 10m, open surroundings will be better, sometimes reach up to 30m.

Vibrating sensor system, when the bicycle shake or vibrate, the alarm will release ultra strong alert sounds for about 20 seconds, good bicycle security anti-theft tool

Item Type: Bicycle Anti-Theft Alarm

Material: Plastic

Suitable For: Bicycle

Sensor Type: Vibrating Sensor

Power Supply: 9V Battery(Not Included)

Alarm Volume: 110dB

Size: 9.8*6cm/3.9*2.4in(L*W)

Color: Black

Package Included: 1* Bicycle Anti-Theft Alarm (Battery Not Included)

               4* Screws

               2* Nuts

               1* Remote Controller(Battery Included)

               1* Manual