No snaps on bulbs and sockets660nm red and 850nm near infrared, deep red can be absorbed by the skin more effectively and repair skin problems.Infrared 850nm penetrates deep into the skin, increasing the slight pressure through the skin to the pain point, reducing the pain more effectively, and providing the necessary energy for the cellulose. In order to restore nutrition and eliminate waste, red light therapy is very suitable for repairing skin, reducing pain, weight loss, etc. 850 nm infrared light is invisible to the human eye, 6 of which are 850 nm, there are 660 visible lights, 6 beads, 3W red and 42mil infrared light, so when this bulb is used, only half of the chip will be illuminated bright. Our infrared bulbs can improve blood circulation. The infrared heat effect of the infrared lamp can relieve pain.The 30 degree glass lens can increase the irradiance> 100mW/cm 2. The knee and waist are treated for 20-30 minutes each time. Easy to use: Designed for standard E26/E27/A19 sockets, AC85~277V, easy to install and durable. You can enjoy light therapy at home anytime. The high-power LED phototherapy bulb has a built-in qualified radiator to achieve better heat dissipation effect and lasting use.