Specifications Working voltage: 380V-415V Output power: 3-9KW Current: 4.5-13.7A Light output: Max.60W Mode: 8.4 mode; normal heating Temperature range: 40-105 C Overheating protection: support Package size: 24×26×7cm Package weight: 1.5kg Package contents: 1 x sauna external control Features High-tech chipboard, excellent external control unit for the sauna heater. Energy saving design, 2-working modes to choose from. Overheating protection for safe use. Can control the light of the sauna room, set heating temperature and time, etc. Heat-resistant temperature sensor with a length of 3 m. Compatible with 3-9KW sauna heater. Suitable for home sauna room, commercial occasions. Details on the function of the external controller: 1. Control of the sauna lamps: To control the switching on and off of max. 60 W lamps in the sauna lamp. Two working modes: Mode A: 8.4 operating hours (max. Working time: 4 hours), max. Working time: 8 hours, e.g. B. Split line: 4:00, heater operating time is 4: 00-0: 00; Is 12: 00-4: 00 (heating does not work). If you do not want to start heating immediately (delay 2 hours to start heating automatically). The time is set to 6:00 a.m. Mode B: The heating starts working immediately after setting (no working time), maximum working time: 12 hours. 3. Time setting: Press the up button "" or the down button "" to set the time. 3 seconds later, the countdown will start from the set time and will automatically turn off when the screen shows 0:00. The default time is 2:00. 4. Temperature setting: temperature range: 40-105 C, press the up button "" or the down button "" to set the temperature. The current temperature is displayed 3 seconds later. 5.Switch the sauna heater on and off 6.With temperature sensor: 3 m length, heat-resistant cable for installation in the room. 7. Overheating protection: When the temperature reaches 150 C, it is automatically switched off to avoid scaling. Reminders: 1. The temperature display "----- L" on the screen means that the temperature sensor is not connected properly (or the circuit is broken) or the temperature is below -10 C. 2. The temperature display "----- H" on the screen means a short circuit of the temperature sensor or a temperature above 110 C. 3. The time is displayed in the countdown mode. Note: Further information on functions and installation can be found in our English operating instructions.