CoolChange 57027 English Version Wireless 2.7inch Bike Computer LED Screen Digital Tachometer Waterproof Cycling Speedometer

Specifications: Brand CoolChange Model 57027 English Version Wireless Yes Screen 2.7inch Battery CR2032 Charging USB Size 40 x 65 x 14mm / 1.57 x 2.56 x 0.55inch Color Black Weight 100g Features: Real-time indication of acceleration or deceleration for easy control of your speed. Imported sensors to provide stable performance. Modern looks, rain-proof,peotabel and easy to disassemble. Basic functions: unit selection, riding speed, riding time, riding mileage, system time, temperature, stopwatch. Professional features: calorie consumption, cycling countdown, wheel speed, A/B car record. Package Includes: 1 x Bike computer 1 x Wireless transmitter 1 x Base 1 x Strong magnetic head 1 x Cable tie