Features 1、Premium Material: Made of premium aluminum alloy, the LED therapy flashlight is sturdy, durable, reliable, practical and has a long service life. 2、3 Light Wavelengths: The red infrared torch has 3 light wavelength, i.e. 630nm, 660 nm, 850 nm, so that can get deep injured tissues. 3、Wide Application: The rechargeable therapy lamp is suitable for your knee, shoulder, neck, wrist, finger, waist, ankle, face or any other area where you feel hurt, you can use anytime anywhere, and also suitable for pets, such as dogs and cats. 4、Suitable: The handheld therapy torch is suitable for anyone suffering from physical pain, inflammation, or needing to improve skin conditions and relieve muscle stiffness. 5、Light: The weight is very light, so it can be taken with travel or meetings and can be used at home or in the office. Specifications Item Type: LED Therapy Flashlight Material: Aluminum Alloy Weight: 235g/8.29oz Color: Black Size: 140x25x25mm/5.51x0.98x0.98in Battery: 18650 2200mah Lithium Built In Battery(Included) Light Source: Red Light Wavelength: 630nm, 660 nm, 850 nm Power: 9W Charging Mode: USB, Type C Package List 1 x LED Therapy Flashlight 1 x USB Cable