EK-Loop Connect Level Sensor TBE 60 is a coolant level sensor provides a warning when the reservoir reaches a point where it would be prudent to top it off. Due to the coolant evaporation through the tubing, it makes sure the pump never runs dry. Also, in case of a leak, it warns you of the coolant level being below its optimal value.It attaches to the tube of the EK tubular-style reservoirs with 60mm diameter and connects via a dedicated cable to the EK-Loop Connect control unit.Technical Specifications:- Connectors: 4-pin- Length: 50cm