1、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. 2、Welding Structure: The pump automatic control switch adopts ultrasonic welding, form a closed space, which is safe and reliable, without water leakage. 3、Working Principle: Utilize the principles of gravity and buoyancy to open and close circuit or waterway, automatically control the start and stop of pumps. 4、Applicable Pump: This float switch can be connected to various submersible pump, bilge pump, water pump, etc., with a simple structure and easy installation. 5、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. 6、With 1 Meter Wire: This float switch has 1 meter wire, easy to connect, suitable for water conservancy and hydraulic engineering, electronic engineering, etc.