Features: 1.[12.6 inch x 5.3 inch x 2.3 inch] Double-sided Pad design, 3 in 1 led, 180pcs 660nm red lights and 90pcs 880nm infrared lights evenly distributed around the foot. The large internal space is suitable for most people's sizes. Inner length (29.5cm) fits US size 11 (Euro 45) (UK10) 2.Three gears time setting, 10mins , 20mins, 30mins, three levels brightness,choose according to your needs. Cool your body and have some water before next applying. Wide voltage DC 100 - 240 V, AC 12 V. Apply pain relief when you are on business trip. 3.Red Light Device - Designed for pain relief, injury recovery and muscle relaxation, work with auto shut-off for 20minutes, a time controller is also ready for cusomizing use. This device can be used multiple times per day, and it is safe for all skin types. 4.Soft & Comfortable Use - Thick but lightweight microplush fibers offer maximum comfort for daily use. Easy to use the light system fit around the target area hands-freely in office or at home. 5.Doctor-Recommended & used by Health Professionals – This LED therapy utilizes the state of the art technology used on Pro Athletes by today's leading Doctors, Physical Therapists and Trainers. It’s been tested in the real life by several athletes and the aged. Now you can successfully apply to ease painful joints and muscles at home for a fraction of the cost. Tested in the real life by several athletes and the aged.