The first picture is a product picture, the other pictures are sample displays Features: *1.Compact appearance design, multi-function stopwatch is economical and practical. *2.Waterproof protection. Immerse in the water for a short time, it is fine in light rain or heavy rain, but it is not recommended to rain for a long time, so as to prevent water from causing accidents. *3.300 seconds without signal input, screen display will enter standby mode, clock retention. *4.If there is a traffic signal input or press any key, it can revert to the shutdown mode and memorize the data before shutdown. Specifications: Material: ABS Power: 1*AG10 button battery (Not Included) Color: Black (As Pictures Show Size: 51x42x18mm (Approx) Weight: 65g (Approx) Package Contents: 1 * Bike Speedometer 1 * Base Cable Sensor 1 Set of Nylon cable tie 1 * User Manual Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.