Size: Can be operated within a wide voltage range. Features positive and negative poles for easy installation. Timing accuracy with error under 16 seconds per month. 6-digit display, ranging from 1/10 hour to 99999.9 hours. Applications: Suitable for dynamos, air conditioning systems, air compression equipment, and other devices where time is used to determine oil change intervals, service requirements, or operational hour recording. Voltage: AC100-250V Power Consumption: 1W Dielectric Strength: 1500V / min Working Temperature: -40C to +50C Color: Black Material: Plastic Package Included: 1 x Hour Meter Note: Lighting and different displays may cause the color of the item to appear slightly different from the actual product. Measurement allows an error of +/- 1-3cm.