It is IP55 waterproof, suitable for outdooor use.
The bike security alarm with 150dB can make a loud sound to draw people's attention, and can effectively scare thieves away. Also used as an SOS alarm.
7 level sensitivity from gently touch to push or beat, you can easily set it according to your need. The alarm is operated by wireless remote control, and remote control range up to 20M/66FT.
Suitable for bicycle, motorcycle, electric bike, electric scooter and so on. You can also use for doors and windows alarm vibration sensors.

Specification:
Wireless range: 10-20 meters
Working environment temperature: -20 60 60 degrees
Alarm size: about 65mm*45mm/2.55*1.77 in
Remote control size: about 58mm*28mm*11mm/2.28*1.1*0.43 in
One alarm 500mA battery backup for 6-10 months.
The remote control requires 12v/27a alkaline batteries for more than 1 year.

Notes:
1. Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.
2. Due to manual measurement, there is a tolerance in the product size.