Newest Infrared Red light device - The device uses New flat LED lights which will be not round raised or sharp and SMD Newest Technology that one square light including three light sources (two 660nm Red lights sources and one 880nm infrared light source) which has 336pcs 660nm red lights and 168pcs 880nm near-infrared lights. The updatest phototherapy pad will be more intensive and effective. Easy & Comfortable Use - Flexible & easy operation for daily use. Designed for aches sooth muscle relaxation and promoting blood circulation after exercise hard work and so on work with auto shut-off for 20minutes. This red light therap-y for hand can be used multiple times per day and it is safe for any skin types. Safe Use - he infrared light device for hands are widely applied on pro athletes leading doctors physical trainers. Use this hand pad and experience safe and natural physical ache sooth solution with no negative side effects. Suitable Size - [10.6 inch x 7.4 inch x 2.3 inch] Double-sided Pad design and all around 360° cover ensure your hand for full hand pad. Work with auto shut-off timer (20 minutes) do not exceed 40 minutes of use in one therap-y session cool your body and drink some water before the next applying. The large internal space of the LED light pad is suitable for most people s hand size. Two Light Modes - There is steady-on mode and upgraded pulse mode. The steady lighting mode can effectively relax muscle. In the pulse mode the lights can flicker 10 times one second(10HZ) which can stimulate cells to repair and deeply penetrate joints and muscles for aches sooth. Packing List: Hand Pad ×1 DC Cord ×1 Timer Controller ×1 Power Adapter ×1 Material: 75% Neoprene + 25% Velvet