What's in the box:

Wireless Bicycle Computer (Black)

Fine quality wear-resistant tempered glass + practical ABS outer case, with high strength, and long life service.

Features:
Easy to Install.
Fine quality wear-resistant tempered glass + practical ABS outer case, with high strength, and long life service.
Easy to read large LCD screen display, you could enjoy the digital easily and remotely.
Automatically calculate your movement, with thermometer, night light, and wireless automatic wake-up function.
Main function: Calorie expenditure calculation, temperature detection, night light, automatic wake-up function etc.

Specification:
Case material: ABS
Color: black
Display: LCD
Battery: CR2032, 3.0V 240mAh(included)
Size(not include the holder): 52 * 52 * 20mm / 2.0 * 2.0 * 0.8in
Package size: 150 * 100 * 55mm / 5.9 * 3.9 * 2.2in
Package weight: 144g / 5.1ounce

Package includes:
1 * Bike Odometer(included battery)