SUNDING SD-577C Wireless Bicycle Computer Backlight Bike Cycling Odometer Heart Rate Monitor
Features:
Wireless large touch screen; support eight languages;
Light control, wire control, anti-interference, pedal ratio;
Panorama mode; smart backlight; automatic wake up;

Specifications:
Model: SD-577C
Material: engineering plastic, electronic components
Colour: Black
Product size: 70 x 40 x 10mm/2.76 x 1.57 x 0.39"
Net weight: 43g
Gross weight: 246g
Power supply: 2 x CR2032 button batteries for the computer; 2 x CR2032 for transmitter; 1 x CR2032 for heart rate monitor sensor (battery not included)

Note:
When the light is dimmed, press any key and the backlight is on for 5 seconds. When the light becomes strong, press any key, the backlight will not light on.

Package Content:
1 x Bicycle Computer