Domer 660mW Handheld Laser is portable and affordable, the effective rate is up to 95% for pain relief, Domer cold laser therapy is suitable for dogs, horses, pets, and people for home use. 660mW Handheld Laser is designed to operate at 650nm & 808nm low-level wavelength and intensity laser to provide an array of healing benefits, for example, repairing the soft tissue, reducing inflammation, and transmitting pain. Cold Laser Therapy device is safer and more effective over 5000 laser therapy clinical trials ( RCTs) and over 9,000 laboratory studies have been published.