Infrared Red Light Therapy for Dogs Pets Vet Portable Laser Therapy Device for Pain Relief Arthritis Spinal Promote Blood Circulation. Laser wavelength 650nm + 20nm 810nm+ 20nm A single laser output maximum power: 5mW+ 20% Terminal laser output mode: Continuous Terminal laser output instability:<+ 10% Timing range: 10min.~30min. Can choose Display mode: Liquid crystal display Power source: Lithium-lON battery with 1800 mAh capacity Battery voltage: 5v DC Input power 10VA Working environment Temperature 5℃-40℃ Relative humidity80%