See photo below for lighting kit in operation. Recessed Halogen and LED sauna lighting. The Recessed Light Kit is an add-on sauna lighting solution that plugs into compatible SAUNA LOGIC sauna heater controls for brands like Finnleo, Polar and Helo types of sauna heaters. Sauna Logic control panel has 3 buttons to control 3 circuits of lights separately. Easy installation with low voltage wiring harness. If you do not have the SaunaLogic Heater Control as pictured above, you will need the Complete Recessed Lighting Kit.