Feature:1. The shell is made of environmental ABS material, non-toxic and corrosion resistant.2. The three wire leads adopts 0.75mm pure copper core for superior electric conductivity.3. Stable and reliable performance, will not cause misoperation due to liquid level fluctuations.4. Widely used for water supply, drainage and liquid level automatic control of septic tank, water tower, water tank and water pool.5. Simple installation, low cost, long service life.Specification:Item Type: Liquid Level Float SwitchModel: KEY-6Material: ABSWorking Pressure: 1MPaWorking Voltage: 0-250VWorking Current: 8AWorking Temperature: -10~+80°CMaximum Temperature Resistance: 80°CMedia Specific Gravity: 0.7Cable Length: 6mContact Capacity: 10A AC220V (Resistive)Contact Form: 1NO, 1NCInstallation Instructions:Water Supply SystemUse black wire and blue wire:When the float ball is in the lower water level, the contact is on state.When the float ball is in the upper water level, the contact is off state.Drainage SystemUse black wire and brown wire:When the float ball is in the upper water level, the contact is on state.When the float ball is in the lower water level, the contact is off state.Package List:1 x Float Ball1 x Liquid Level Sensor