Features: This light therapy belt combines red LED with infrared ray to deliver heat energy to deep skin layer of 630nm and 850nm to accelerate cell and collagen regeneration, stimulate acupuncture points, accelerate cell metabolism and blood circulation, so as to reduce fat and relief muscle and joint pain. Material: diving material Belt size: 40*20cm Temperature control range: 43-45 degrees Celsius Number of lamp beads: 120 (60 630nm+60 850nm) Voltage: 12V Current: 1.5A Power: 18W Controller setting time: automatic timing 20min Product weight: 380g Instructions for use time: 1. Lose weight, 30 minutes each time, 3-5 times a week 2. Skin rejuvenation, 15 minutes each time, 3-5 times a week 3. Pain, 15-30 minutes each time, once a day 4. Chronic fatigue, 15-30 minutes each time, 3-7 times a week 5. Arthritis, 15 minutes each time, once a day 6, wound healing, 15 minutes each time, 3 times a week Warm Tips: 1.This device is not waterproof! 2.Do not exceed 30min.on one same treatment. 3.Not intended for the use by Children and pregnant woman. Package includes: 1X 120LED Red light therapy belt Set (fixed belt)