Features:
Perfect combination of wireless speedometer and front light.
The latest 2.4GHz digital wireless speed sensor.
Easy installation and firm fixation.
Micro USB can connect power bank， extend working hours. (power bank NOT included).

Specifications:
Light source: 2 * White LED
LED light work mode: High - Low - Off
Lumen: 300lm
Bike light running time: 3 / 6 Hours
Battery: 2600mAh lithium battery
Recharge time: About 4 Hours
Current speed: 0.00~99.99 km/h
Average speed: 0.00~99.99 km/h
Maximum speed: 0.00~99.99 km/h
Trip distance: 0.00~99999 km
Total distance: 0.00~99999 km
Clock: 00:00:00~23:59:59 (24H system)
Trip riding time: 00:00’~9999:59’
Total riding time: 0~999999 Hours
Calories: 0~999999 kcal
Tire size: 100mm~3999mm (default 2095mm)
Sensor battery: 1 * CR2032
Sensor size: 36 * 34 * 13mm
Product material: PC
Product size: 106 * 57 * 35mm
Product weight: 128g / 4.5oz

Package List:
1 * Speedometer
1 * Bracket
1 * Speed Sensor
1 * Magnet
2 * Bracket Rubber Ring
4 * Sensor Rubber Ring
1 * USB Cable
1 * Quick Release Mount
1 * User Manual (English)