Red light device, 54W LED Red infrared light 660NM850NM LED, for anti-aging, muscle and joint , household AC100-240V Specification: Condition: Item Type: Red Infrared Light Material: ABS Input Voltage: AC100-240V Material: ABS Power: 54W Lens Beam Angle: 30 degrees Advice: Distance: Shine light on the body from 0-60 cm.The device can be used directly on the skin Time: expose each part for 5-20 minutes, depending on the distance. Frequency: Do this 1-2 times a day for 1-3 months until the effect is apparent. Maintenance: Continue to use several times a week Package List: 1 x Host 1 x Eye Patch 1 x Manual