Features: 1.High Quality Material: Digital hour meter is made of high quality ABS material, wear resistant, shockproof, IP67 waterproof, sturdy and durable. 2.High Accuracy: Total hours reading displays from 0 to 999999 hours, in 0?99999.9h, timing accuracy is 0.1h, in 100000?999999h, timing accuracy is 1H. 3.Resettable: Hour meter is resettable, connect the R pin to the positive pole, timer resets after 2S, external power supply. 4.Easy Installation: V+ and EN connected to the positive pole of power supply, V? connected to the negative pole, convenient for using. 5.Wide Voltage Range: Suitable for equipment with different AC and DC voltages, high voltage range is AC85?250V DC60?150V, low voltage range is AC6?85V DC6?60V. Specification: Item Type: Hour Meter Material: ABS Timer Range: 0-99999H Timing Accuracy: 0.1H/1H Display Mode: LCD Waterproof Grade: IP67 Operating Temperature: -40 to 65 High Pressure Range: AC85-250V DC60-150V Low Pressure Range: AC6-85V DC6-60V Fitment: Widely used in lawn mower, hedge machine, branch breaker and other garden machinery; Rice transplanter, grass spader and other agricultural machinery; Construction vehicles, bulldozers, excavators and other construction machinery; Rammer, roller, grinding machine, road cutting machine and other road machinery; Motorcycle, club car, go kart, ATV and other vehicle industry; Outboard motor, yacht and other Marine industry; As well as generators, dehumidifiers, air compressors, UV lamps, air purifiers, industrial vacuum cleaners and other equipment that need to be energized for timing