3 Settings Temperature Controller
The liners use far infrared fiber heating elements covers whole back of hand and fingers.
- High Level: 140°F - 150°F, working for 2 - 3 hours.
- Middle level: 113 ℉ - 122℉,working for 3.5 - 4 hours.
- Lowest level: 104 ℉ - 110℉,working for 5 - 6 hours.