Item Type: Hour Meter Product Model: HM-D48 Product Working Voltage: 220V 50Hz Product Maximum Accumulation Time: 0-999.99h Product Operating Temperature: -10~50 Product Accuracy: 0.01 Product 0 Reset: yes Product Battery: 2 x button battery CR2016, 3V 75mAh for single battery (delivered with built in battery) 1Better Timing: Comes with a maximum timing range of 0?999.99h, the time gauge also has reset function for working hour counting. 2Smart Control: Allows for wide application on varied industrial systems for better motor control and easier equipment operation. 3Clear Display: Works stably under AC 220V, the timer enables digital display to clearly show the data and simplify your working. 4Accurate Work: Ensuring high accuracy, the battery powered hourmeter will largely improve your efficiency with more reliability. 5Easy to Install: Standard design with light weight and compact size allows for easy installation by hole drilling or buckling.1 x Hour Meter