*Excellent sauna Controller: Working Voltage: 380-415 V; Support Light Power: Max.60W. This external sauna heater controller uses high-tech chipboard & ideal electronic devices and can precisely control the sauna room temperature ranges 104 to 221 ℉(40-105 ℃). Note: Select proper sauna stoves and room space for getting a superior temperature. *Time & Temp. Adjust: Equipped with a power-saving design, our intelligent sauna heater controller provides you with 2 modes for time settings. Mode A: 4 hrs heating + 8 hrs pre-heating. Mode B: 12 hrs constant heating. Simple operation through the screens and buttons on the panel. Also, you can turn on/off the room lights by it. *Temperature Sensor: This built-in temperature external controller includes a 9.8 ft (3 m) long sensitive copper cable. Leave the metal probe in your sauna room so that the sensor can monitor the temperature at any time. Convenient for adjusting the heating effect. *3-9 KW Heaters & Installation: It is fit for 3-9KW sauna heating stoves. Our external temperature controller features secure and quick use. Please install the wall-mounted sauna controller outside your sauna room to keep security. Over-heating Protection: The controller will auto turn off when the temperature reaches the setting value. *Wide Use Scenarios: Our digital display controller is an excellent choice for use with sauna heaters. Perfect applied for commercial and home uses, such as SPA center, resorts, and home sauna room. *Specifications Model: VV-ESC-380 Working Voltage: 380-415 V Power: 3-9 KW Fit for(Sauna Heaters): 3-9 KW Temperature Range: 104-221 ℉/ 40-105 ℃ Light Power: Max.60 W Item Size(L x W x H): 9.6 x 8.3 x 3 in/ 24.4 x 21.2 x 7.8 cm Item Weight: 5.1 lbs/ 2.3 kg *Pakcage Content 1 x Sauna Controller 1 x Temperature Sensor 1 x User Manual 1 x Installation Kit