In-line Switch, Compatible with Alarm Type Audio, Visual, Compatible Drain Tubing Size 3/4 in, Compatible with Series Family Condensate Overflow, Connection Style NPT, Mounting Type In-Line, Switch Housing Material PVC, Switch Type Float, Wire Lead Length 6 ft, Compatible with Series ACS-4, Switch Operation Normally Closed, Normally Open, Amps 5 A, Compatible with Pump Type Condensate Removal, Electrical Connection Type Hardwired, Overall Height 3.9 in, Overall Length 12.75 in WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Diisononyl phthalate (DINP)