Feature:1. HM‑1R series quartz electronic timer, novel structure, smart, stable and reliable performance, adapt to a wide range of environments.2. Suitable for standard industrial timekeeping, widely used in construction machinery, construction vehicles, agricultural machinery, generators, various types of automobiles, etc.3. The accumulator is composed of crystal oscillator time control circuit, high accuracy, no need to set, start timing accumulation when power on.4. Small size, easy to carry and store, convenient to use and with good performance.5. Made of high‑quality materials, strong and durable, has a long service life.Specification:Item Type: Digital Display Hour MeterProduct Material: ABSPower Supply Voltage: 100-240 (V) ACPower Consumption: 0.3WContact Form: 5 NO 3 NCFrequency: 50/60HZ universalTime: 0-999999 59 hoursBuilt-in Battery: Lithium battery CR2032 3V Package List:1 x Digital Display Hour Meter