Liquid Water Level Horizontal Float Switch for Aquarium Max Contact Rating: 10W; Max Switch Voltage: 100V DC; Max Switch Current: 0.5A Max Breakdown Voltage: 220V DC; Max Carry Current: 1.0A; Max Contact Resistance: 100m Temperature Rating: -10 ~ +85 Degree; Float Ball Material: P.P; Float Body Material: Plastic Float Ball Size: 19 x 16.5mm(D*H); Screw Thread Diameter: 7.5mm; Washered Nut Diameter: 11.5mm; Retaining Clip Diameter: 12mm; Body Total Length: 44mm; Cable Length: 35cm Package Content: 1 x Water Level Sensor; Color: White