This Intermatic T101M 24-Hour Mechanical Timer is a heavy-duty switch mechanism suitable for both interior and exterior use. The timer features a single pole single throw (SPST) contact configuration, with a maximum amperage of 40A and a voltage range of 101-120V. It is compatible with LED bulbs and has a rotation style switch control.

The timer is made of plastic and has a rectangular box shape. It measures 6.2in. in length, 5.25in. in width, and 3.25in. in height. It can be easily mounted using the snap-in style. The timer has a dial and switch control style, with a single switch and one port. It also features an auto-off function and is suitable for use in the bathroom and other indoor/outdoor rooms.