HM002 Hour Meter Mechanical Rectangular Hourglass for 6-80V DC Electric Equipment Gasoline Diesel Engine Boat Generator Motocross Engine Tractor Truck Feature: Used to track engine life. Low power consumption and long use time. Completely sealed, dust and moisture proof. Specification: Model: HM002 Material: ABS Voltage: 6V-80V DC Power: 0.3W Timing range: 0-99999.9 hours Timing accuracy: ± 0.01 Device Reset: no Operating temperature: -10 ℃ ~ + 50 ℃ Mechanical vibration: 10-70Hz 1-8g Weight: 52g Size: 59*5 0 *32mm Note: There may be slight size deviations due to manual measurement, different measuring methods and tools. The picture may not reflect the actual color of the item due to different shooting light, angle and monitor. 1 X Hour Meter