ITEM NAME:AC 100-250V Electromechanical Time Hour Meter Counter 6 Digit Display New This rectangular hour meter can be used for device where time is used to determine oil change intervals, service requirements or where there is a need to record hours operated Features: Compact size, can be operated within a wide voltage range With positive and negative poles for easy installation Reliable timing accuracy with error under 1& ; 6 digit display, from 1/10 hour to 99999.9 This meter is not waterproof, and can not be submerged Applications: Dynamo, air.6 digit display, from 1/10 hour to 99999.9. Dielectric Strength: 1500V / min. With positive and negative poles for easy installation. Working Temperature: -40 deg C to +50 deg C.