Features: This red light therapy belt can emit 660nm red light and 850nm near infrared lights which can penetrate deeply in the tissues. Penetrate deeply in the tissues and promote blood circulation, help relieve pain, speed up wound healing, enhance bone recovery etc. Suitable for whole body use including neck, back, shoulders, arms, legs, knees, feet and more. 5 level of brightness for you to choose and supports 5/10/15/20/25/30mins auto shut off timer setting. Convenient USB charging design. Easy to control by the in-line controller. Specification: Rated power: 30W Actual power: 12W Product size: appr. 245x130x5mm / 9.65x5.12x0.2" Number of LEDs: 60x 0.5W 5050 SMD Light color: Red light Wavelength: 660nm + 850nm Irradiance: 0 inch > 100mW/cm2 Timer: 5/10/15/20/25/30mins Lifetime: 50,000 hours Material: Neoprene Color: Black Warm Tips: 1. This device is not waterproof! 2. Do not use it exceed 30mins per time. 3. Not intended for children and pregnant woman. 4. The belt equipped with the product can be directly extended from one end of the product to use without having to wrap it around from beginning to end. It is more convenient to use with a power bank (not included). Package Included: 1 * Red Light Therapy Belt 1 * Hook-n-loop strap 1 * Charging cable 1 * Manual Note: 1. Due to manual measurements and slight color variations, please allow 1-3 cm (0.4-1.18 inches) difference to suit different display settings. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.