Intermatic EJ351 120-Volt 24-Hour Programmable Mechanical Security Timer
Designed for energy savings and security, this 120-Volt programmable 24-hour security timer replaces any standard wall switch will randomly turn lights ON/OFF at slightly different times each day to avoid predictable timer controlled look. Features up to 24 ON/24 OFF settings per day, memory protection during power outages and self-learning feature. Use with existing decorator style wall plate. For use with 40W to 500W incandescent lights ONLY. Not for use with CFL or LED lights.