Multifunctional Full Screen Backlight Bike Cycling Waterproof Speedmeter with Light and Horn

Features:
Cut-OFF line light, anti-glare, non-dazzling, non-disturbing, safer riding.
The horn/headlight dual-line control button is designed for convenient operation and safer riding.
High decibel electronic horn, one-button switching of five horn sounds.
Large and clear LCD screen for easy reading.
Total mileage/total driving time/clock/stopwatch/calorie switch at will.
Automatically enter sleep mode without use for 3 minutes, and automatically wake up after sensing vibrations.
USB recharging design, recharging at any time, more convenient.
Daily waterproof design, no fear of sudden rainy days.