Compact size, can be operated within a wide voltage rangeWith positive and negative poles for easy installationReliable timing accuracy with error under 16 digit display, from 1/10 hour to 99999.9Applications: Dynamo, air conditioning, air compression equipment, etc 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 operatedVoltage: AC100-250VPower Consume: 0.3WDielectric Strength: 1500V / minUse Temperature: -10 -75Colour:blackMaterial:ABSPackage Contents:1 x Hour meterOnly the above package content, other products are not included.Note: Light reflection 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.