Remote Control micro electric bicycle anti-theft alarm security system. 

Features: 
Waterproof host. 
Special design for electric bicycle. Stable performance. 
Alarm function. Anti-theft security alert. 
High-decibel horn alarm function. 
Remote control start， turn off function. 

Specifications: 
Compatiable with: for electric bicycle 
Power: 48-64V 
Applicable range: ≤100 meters 
Host size: 6.5 * 5.7 * 2.2cm / 2.6 * 2.1 * 0.9in 
Package size: 22 * 17.5 * 4cm / 8.3 * 6.9 * 1.6in 
Package weight: 197g / 6.9oz 

Package List: 
1 * Alarm 
2 * Remote Control(within button battery) 
1 * Fastener Tape