This multifunctional large screen is your Cycle . It features 18 functions, including a speedometer, average , maximum , trip meter, trip timer, and more. Waterproof design, you don't have to worry about bad weather. Auto on/off, calorie and fat burn calculation, EL backlight, maintenance program, and the to choose between kilometers or miles.

Features:
18 Functions: Speedometer, average , maximum , trip meter, trip timer, etc., to meet all your needs. Perfect for road bikes and Cycle enthusiasts.
Waterproof: Whether it's raining or you're washing your bike, you don't have to worry about the device getting damaged.
Auto On/Off: No need for manual operation, convenient and quick. A -have feature for any Cycle .
Calorie and Fat Burn Calculation: Helps you better understand your exercise situation. A feature for those using their bike for fitness or weight loss.
EL Backlight: Clearly see your data even in dark environments. A necessary feature for any bike device.

Specifications: 
Material:
Color: Black 
: CR2032 
Waterproof:  IP65 
Size: 5 x 7 x 2cm / 1.97 x 2.76 x 0.79in 
Weight: 40g / 1.41oz

Package list: 
1 x Multifunctional Large Screen  
1 x Bracket 
1 x  
1 x Screw and Spoke Clamp 
3 x Zip Ties 
2 x CR2032  
1 x User Manual