Features: 1. Compatible Heater: The digital panel is equipped with a separate control box, suitable for SAB, SAD, and HV series sauna water heaters (3–27 kW). 2. Working Range: Supports timer setting from 1 to 12 hours and temperature control from 35°C to 110°C. 3. Multiple Functions: Controls on/off operation of the sauna water heater and lighting, with intuitive operation and practical functionality. 4. Easy Installation: Compact design for wall-mounted installation, saving space and offering convenience. 5. ABS Housing: Outer casing made of ABS material, offering durability, wear resistance, aging resistance, and long service life. Item Type: Sauna Temperature Controller Material: ABS Compatible Equipment: External control sauna furnace, wet steam generator, steam generator Purpose: Sauna temperature control Model: Do 135T3 (compatible with 3–27 kW sauna water heaters) Installation: Wall Mount Working Time: 1–12 hours Temperature Control Range: 35–110°C Weight: Approx. 370–403 g Package Includes: 1 x Controller