product Using high-quality materials, long product life After professional testing, high sensitivity Easy installation, direct replacement, no programming required; The timer is fully sealed, with novel structure, dexterity, high precision, stable and reliable performance, long service life, wide adaptability to the environment, low price and convenient use. It is suitable for standard industrial timekeeping, and is widely used in construction machinery, construction vehicles, agricultural machinery, generators, air compressors, water pumps, cranes, cranes, various types of automobiles, etc. to collect actual working hours and track and monitor precision instruments Assessment and maintenance. specification: Name: Industrial electronic mechanical timer Timing range: 0-999999H Timing accuracy: +/- 0.01 Zero reset device: no reset Power: 0.3W Operating temperature: -10℃--50℃ Relative humidity: fully sealed Seismic amplitude: 10-70HZ 1-8g (degree of gravity) Colour: black Material: ABS Package Contents: 1 * timer 1 * clasp 2 * insert spring 2 * sheath Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.