Electronic Float Switch 12vCompact mechanical switch offers a combination of reliable solid state electronics and a sealed float switch. False start prevention, no mercury, high impact plastic and encapsulated electronics adds up to dependability. Activates pump at 2″ water level, deactivates pump at 3/4″ water level. 12V. Handles up to 15 amps. Specifications:Volts: 12vType: SwitchesBox Dimensions: 2″H x 5″W x 5″L WT: 0.5 lbsUPC: 7330717001131Owner’s Manual (pdf)