These are used mainly on home tanning beds, but also on many lower and mid priced commercial tanning beds. This timer is 15 minute and 120 volts, single pole, which is used on most SunMaster 15 minute tanning beds, and is commonly used on other 120V tanning beds. Call 1-800-274-1744 if you are not sure what you need.
This is a NON-RETURNABLE item. This can be retrofitted to other systems and devices that use electric timers, but these configurations are not supported. Knob not included.