If you have problems with your knees and elbows, consider using red and infrared light therap-y products, which according to science can be very effective! Home Use: Enjoy the benefits of red light and infrared light instantly at home! Easy Use: Simple connection, detailed instructions in the manual. Easy Carry: The infrared phototherapy is lightweight and can fit in your knee and elbow, put it in your bags easysily! Safe Use: No side effects, insist on using it for 3-4 weeks, there are obvious results. Sorft Use: Relax your body, 15inch long DC cord enough for the actice range. Felxible Design: 20min Automatic controller prevents use it too long. Perfect Gift: You can give it to your loved ones, friends, relatives and people around you! Specification: Light Beads: 88pcs red lights + 88pcs IR lights Material: 75% Neoprene + 25% Velvet Wavelength: 660nm + 880nm Light Beads Craft: DIP Bulb Temperature: Max 104℉ Frequency:50/60Hz Packing List: LED infrared Light Pad ×1 DC Cord ×1 Timer Controller ×1 Power Adapter ×1 Synopsis ×1 Note: Color difference between the real object and the picture is normal. If you have any quetions, you can contact us! 3-7 Fast delivery, Free lifetime replacement parts, 1 year warranty!