WEST BIKING Five Languages Mountain Bike Road Bicycle Wireless Stopwatch Multifunctional Interface Waterproof Tachometer Riding Equipment Speedometer 12.2*4.5*8.1cm

This bicycle stopwatch is available in five languages. It is multi-functional and can display lots of data such as riding speed and distance. It is waterproof, easy to install and easy to carry.
Features:
Multi-function, built-in 18 kinds of functions to meet your different riding needs, can show ride times, current speed, total distance and so on.
Using IPX7 waterproof material, it can be used with confidence in rainy days. But please do not use it for a long times immersed in water or in heavy rain.
5 languages, switch freely, 5 languages in different countries to meet the needs of users in different countries. The languages can be set when the bicycle computer is turned on.
Backlight function and LCD digital display, the bike computer can be used day or night.
Simple installation, compact and portable.
Specifications:
Material: PVC
Battery: 3V, 240mAh
Wireless sensing distance: ≤600mm
Distance between magnetic-iron and sensor: ≤3mm
Item size: 70 * 45mm / 2.8 * 1.8in
Item weight: 70g / 2.5ounce
Package size: 122 * 81 * 45mm / 4.8 * 3.2 * 1.8in
Package weight: 95g / 3.4ounce
Packing List:
1 * Bike Computer
1 * Bracket
2 * Battery
1 * Speed Magnetic-iron
1 * Rubber Rings
1 * Sensor
1 * Instruction Manual
4 * Plastics Tie-wraps