SPECIFICATIONS Products 1: red light therapy lamp Products 2: red light beauty pen Products 3: Infrared physiotherapy Function 1: pain relief Function 2: reduce wrinkles Function 3: heal wounds Function 4: boost collagen Features:1. Natural Pain Relief: The photon LED red light therapy device is safe and painless, without any side effects, it can help you relieve pain in your body, it is very beneficial to smooth skin and tissue, reduce wrinkles, and effectively relieve pain.2. Three light sources: (630nm+660nm+850nm)Four light sources (630nm+660nm+850nm+940nm): T4 Healing Red Light Therapy Pen Flashlight uses red 630nm and 660nm and infrared light, best for superficial skin treatment, heal wounds, reduce wrinkles, boost collagen, make skin smooth. 850nm and 940nm Nanometer (NIR) penetrate deeper and are best for deep tissue; you will find 2 LEDs on, 2 LEDs invisible to the naked eye,But he it can work.3. Portable and easy to use: Includes a storage tote and hanging straps to use and carry anywhere, anytime. Simply place the red light therapy laser bulb over the target area. Mild pain 1 minute per day, average pain 2 minutes twice or thrice per day, and deep pain treatment 3 minutes 3 times per day.4. Both humans and animals can use: Not only humans, pet owners can also use our cold laser therapy device on animals because it works the same way,Can relieve joint pain in animal PET, (dog, cat).How to use:Place the device on the painful area anywhere from touching the skin to 1 inch from the skin, depending on the depth desired. Red light can penetrate up to 1 inch into your tissue or joints.Product Declaration:This product is not a direct substitute for any medicine and is not intended to diagnose, alleviate, treat, cure or prevent any disease.