FUNCTION: The natural energy of this heat lamp is identical to the energy generated in our body. It can improve microcirculation and regulate nerve and endocrine functions. Stimulates microcirculation and provides high quality oxygen and nutrients for the body. The device is easily adjustable to direct heat where it's needed and portable. SOOTHE MUSCLES: Great for relieving muscle pain, joint pain, tension, chest congestion and relieving cold symptoms. This versatile infrared lamp can be used not only to relieve muscle pain, but also to light up the room and warm up in winter. Drug-free, non-invasive pain relief for targeted use in the back, chest, shoulders, arms and legs. 180 SWIVEL PLUG: 180 adjustable design of the light head to adapt to your treatment needs. Curvature bracket design, can be rotatable at an angle of 180. With the few springs, it can stretch and recoil at ease. Suitable for E27 bulb mode with spiral mouth, convenient to replace the old one, and the package contains one bulb. HIGH QUALITY MATERIAL: Made of high quality material, safe and eco-friendly, firm and durable. The main support rod is retractable, easy to adjust the height of use. Heavy base, more stable and anti-tipping, considerate design, bring you convenience. NOTE: Insert the power plug into the socket. Press the switch, warm up for 2-3 minutes, aim at acupuncture points or painful areas. The irradiation distance is about 30 . Mainly take heat to make the skin comfortable on the affected part. Do not get too close to avoid burns.