project e beauty lumaglow red & blue light therapy project e beauty item id: pe725 color: white red light wavelength: 630 nm ±5% blue light wavelength: 415 nm ±5% maximum power: 1.5w power density (red): 80mw/cm2±10% power density (blue): 65mw/cm2±10% battery: 3.7v, 1050mah input voltage: dc 5v, 1a treatment area: 30cm2 ±5% package size: 145x73.5x218mm number of led: 44 leds