Specification: Brand: SunDing Material: Engineering plastic ABS + electronic components Color: Black Green Product size: 46x46x19mm/1.81x1.81x0.75in Net weight: 65g Gross weight: 65g Display: LCD display Power: 1 X Head AG13 button battery Main functions: Driving speed, driving mileage, driving time, single driving mileage, maximum driving speed km/mile setting, average speed Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 1 X Speedometer(with battery) 1 X Sensor 1 X Code Table Holder 1 X Magnetic Head 1 X Instruction Manual 7pcs X Cable Ties 2pcs X Paste Sheets