Smart Macerator Control - 12vMonitors motor and pump to prevent dry run and overload.Features: If pump doesn&';t prime in 7 seconds or runs dry for 5 seconds, control will shut down pump SMC control can be reset by turning off and on switch - power need not be turned off If power is not turned off to the control, control will job macerator pump for a few milliseconds every seven days to prevent binding of impeller If pump draws more than 20 amps, control will shut down pump WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Volts: 12v Type: Misc Box Dimensions: 2"H x 6"W x 8"L WT: 0.5 lbs UPC: 085462035616 Brochure (pdf)