NEWKEY LED light mask with red, blue, and other colors. Works perfectly still (see last video) but I bought a panel which works better for my needs. Sells online for over $150 Clinically Proven Wavelengths &Energy: NEWKEY led face mask light therapy,embedded with 150 medical leds,emits clinically recognized red light 625nm±5nm for wrinkles and blue light 465nm±5nm for mild to moderate inflammatory acne with a 10-minute treatment,delivering the energy up to 75mw/m².Despite higher power in market,in fact optimal result relies on wavelength precision,coverage,and power,which work together to ensure the skin absorbs light effectively,providing safe and benefits over time.