Feature: Newly Engineered Dual Light NIR Near Infrared Pad! Dual Light Red and IR Easy to use infrared LED light aids healing, soothes sore muscles and chronic pain relieves stiffness! LED technology has provided medicine with a new tool capable of delivering light deep into tissues of the body! Increases circulation a safe alternative to drugs with intriguingly rapid effects and holistic healing capabilities. Note: Pregnant women cannot use Specification: LED QTY: 72/165 Dimmable: Yes Light Color: Red Wave Length: 630nm+660nm Working Temperature: 30-50℃ Current: 1-4A Voltage: DC5V Power Supply: USB Irradiation Time: 15-30min Size: 6.3*4.1*0.4inch （16*10.5*1cm） Package Included: 1x 72/165Led Red Therapy Light 1x Instructions