Features: This hour meter is used to record the working time of engines. White numbers refer to hours and red ones to 1/10 hour. Low power consumption and high accuracy, durable in use. It is completely sealed, dampproof and dustproof. Suitable for gasoline engines, diesel generators, electronic motors and so on. Specifications: Timing Range: 0-99,999.9 hours Timing Precision: 0.01 Zero Resetting Device: No Voltage: 6V-80V DC Power: 0.3W Operating Temperature: -10 - +50 Mechanical Vibration: 10-70Hz 1-8g Package Weight: approx. 70g Package Included: 1 x Hour Meter 2 x Plastic Shoe 2 x Copper Shoe Note: The numbers can not be reset. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.