Condition: 100% Brand New Item Type: Therapy LampPower: 24W Voltage: 110-240V Beam Angle: 30 degree Optical Density Value: 3 inch: 150mW/cm² 6 inch: 107.5mW/cm² 5 cm: 208mW/cm² 10 cm: 149mW/cm²Suggestion for Use: 1. During light exposure, goggles must be worn to prevent damage to the retina. 2. During light exposure, diapers must be used to cover the genitals to prevent damage to the genital function. 3. Check whether the lamp tube is clean before using the blue light therapy device. 4. Children who use blue light therapy device should closely observe the changes of children's body temperature.