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. - cis2:mm5mnJlm -Specifications: Volts: 12v; Type: Misc; Box Dimensions: 2"H x 6"W x 8"L WT: 0.5 lbs; UPC: 085462035616; Brochure (pdf)