Level Sensor Float Switch For Bilge Pump Specifications:12/24V/32V Float Switch Body Materials:Heavy duty Nylon housing Voltage ( V ):12/24V Max Amps:20.0A(12V)/10.0A(24V) Wire Length:1.0M Wire Gauge Size:18AWG Overall Size:13.5 x 19 x8cm Weight/Pack:0.16/0.18KGS Packing:48SET/CTN Turns pump on when water level reaches 2″(51mm) Turns pump off when water level reaches 3/4″(19mm) Suitable for 12V-32V bilge pumps,with a maximum of 20 Amps