Features: Keep track of your industrial-machinery usage with our Engineering Vehicle-Generator Diamond Industrial Hour Meter! Made of durable ABS material, this Type: Engineering Vehicle Timer Model: HM002 has a voltage-range of 6V-80VDC and an indicator range of 0-99999.9 hours. Ideal-for anyone who uses heavy-machinery, such as those in the environmental protection-equipment or generator industries. Use it to monitor the operating hours of your machine and schedule maintenance accordingly, ensuring optimal-performance and-longevity. With its compact size (approx. 60 36 24mm) and black color, this timer is a practical and discreet addition to any-machinery setup. Specifications: Material:ABS Size:Approx.6x3.6x2.4cm/2.36x1.41x0.94inch Type: engineering vehicle timer Model: HM002 Voltage: 6V-80VDC Indicator range: 0-99999.9 hours Timing accuracy: 0.01 Zero-reset device: none Working temperature: -10℃ -+50℃. Mechanical vibration: 10-70Hz Color: black Package Includes: 1x Hour Meter note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.