The SL2 Control is North America's first sauna control with true worldwide mobile functionality. The SL2 control is feature-rich giving sauna users flexibility to control their sauna easily, from anywhere. Your sauna will be ready when you are!In addition to the mobile app with functionality from anywhere there is cell or data service, the SL2 has modern design and is simple to use. The glass touch screen provides a modern and extremely flexible option for the sauna owner. This control operates time, temperature, lighting (including optional color lighting), and can even work with our Bluetooth sound system.The SL2 Control is available in Traditional Saunas or InfraSauna models. The SL2 Control matches with the Himalaya SL2 rock tower heater and Designer SL2 heater.