Attention: There is a layer of film on the of the product, which can be peeled off after installing the product. You may need to manually wire it. This is easy. Suitable models: For cargo gl150 For YB125 YBR125 Working Voltage: DC10~18V/1a Epoxy Resin Seal, Waterproof And Shock , Breathable, Anti-Fog Real Time Clock: 24 Hours Unit Conversion: Km/H, Km, Mile Can Be Freely Set To Choose Speed Signal: Mechanical Transmission Speed Ratio: 1: 1400 Speed Range: 0~199km Speed Range: 0~12000 Rpm Subtotal Mileage: 0~999.9 km Total Mileage: 0~99999 km Engine Stroke Parameters: 1000 Rpm/16.67 Hz Sensor: Default Three Lines, You Can Set Parameters (2 Lines/), Gear: The Highest Grade Indicator Light: Turn Left, Turn Right, High Beam, Neutral, Electric , Oil Alarm, Voltage Color: Black Material: plastic Package Contents: 1 * Motorcycle Speedometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.