The MIL72ASWUZH-24 is a 7-day timer module designed to be mounted inside a control panel and can accommodate surface/DIN Rail mounting. The timer moduals are light-duty commercial switches ideal for 24 VAC single phase applications, such as lighting control, HVACR, pumps, motors, fan controls, access controls, OEM applications, agricultural facilities, and general purpose electrical circuits. The timer comes with a non-replaceable Nickel Metal Hydride battery already installed in the unit.