This is an Intermatic 24 hour plug in "Time All" timer model SB111.
It is white features a plug in socket on the back,a 24 hour dial, and is for indoor use only.
The timer measures about 4" tall, 2.75" wide, and 2.75" deep. The electrical specs are: 15 amp-1875 watt "R'; 1250watt "T"; T.V.-5";1/3 HP-125 volt 60Hz. made in the U.S.A.
This timer comes in good pre-owned, but untested condition.