Features Long Service Life: The applicable voltage of the float switch is DC32V 24V 12V, with a switching frequency of up to 10 million times and a long service life. Welding Structure: The pump automatic control switch adopts ultrasonic welding, form a closed space, which is safe and reliable, without water leakage. Working Principle: Utilize the principles of gravity and buoyancy to open and close circuit or waterway, automatically control the start and stop of pumps. Applicable Pump: This float switch can be connected to various submersible pump, bilge pump, water pump, etc., with a simple structure and easy installation. Durable Material: The switch housing is made of excellent ABS material, which is sturdy and durable, the internal metal contacts ensure reliable start and stop. Feature: 1. With 1 Meter Wire: This float switch has 1 meter wire, easy to connect, suitable for water conservancy and hydraulic engineering, electronic engineering, etc. Specification: Item Type: Float Switch Material: ABS Applicable Voltage: DC 32V, 24V, 12V Wire: Approx. 1 meter / 3.3ft Use: Using the principle of gravity and buoyancy, to open or cut off the path, so as to open and close the circuit or waterway device, automatic control of submersible pump start and stop. Application: Water conservancy engineering, hydraulic engineering, electronic engineering, etc. Package List:1 x Float Switch 2 x Screws1 x User Manual Package List 1 x Float Switch 2 x Screws 1 x User Manual