Feature:Wireless control cycling alarm， simple to operate and easy to install
With infra-red remote controller， 10 meters sensing distance， up to 30 meters at open area
Anti-theft， perfect to protect your bicycle， moped
How to use:
Press a key to enter the armed state， press B key to cancel. The alarm sound will continue 20 seconds
Alarm power supply: 1 x 6F22 9V battery ( not included )
Remote controller power supply: 1 x 12V 23A alkaline cell ( included ) Type: Bike Bell
Model Number: YY610
For: Unisex
Suitable for: Bike，Electrombile，Mountain Bicycle，Road Bike Power Source: 1 x 6F22 9V battery ( not included )
Color: Black 0.111 Package weight: 0.145 kg
Product size (L x W x H): 9.50 x 6.30 x 3.80 cm / 3.74 x 2.48 x 1.5 inches
Package size (L x W x H): 12.50 x 6.50 x 11.50 cm / 4.92 x 2.56 x 4.53 inches Package Contents: 1 x Alarm， 1 x Remote Controller， 4 x Screw， 2 x Nut， 1 x Bilingual Manual in English and Chinese