Features: Promote combination of protein and bone collagen, activate the skin, tighten the loosen skin. Effectively inhibit acne bacillus and improve red spot, oily skin and heavy sensitive skin, shirk pore, remove acne. Using the specific 415nm blue light in the visible light to kill the bacteria in the skin and pores. The stability of the 42 degrees heat and BIO micro electric current can effectively reduce the grease of pimples, so that to accelerate the natural die of pimples. Loose skin tightening, pores shrinking, eliminate acne bacteria, it has great effect on oily skin, severe allergic skin and red spots. Description: Model: KD-7910 Voltage: DC 1.5V Current: 036A Power: 0.9W Stalls:1 file Battery:1*AA Battery(not include) Specification: Color: white Material: ABS Item size: approx.135*19*19mm Package Include: 1x Acne Laser Pen 1 x User Manual Note: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. The color of the actual items may slightly vary from the above images due to different computer screen, thanks for your understanding