SBH Analog Grounded Timer, 1875W, 15A, 15Mins On/Off, 24Hr. The SunBlaster Light Timer is a 24 hour mechanical timer. With twice the number of control pins of a standard mechanical timer, this timer gives you 15 minute precision. Non-removable timer pin design keeps pins safe and secure, and you will never lose your pins again! Program your grow lights to provide optimal growing conditions for your starts. Grounded outlet allows a wider variety of appliances to be used. Includes override switch. Single outlet mechanical timer with 15amp capacity, for indoor use.