Description: Combination of 415NM acne sputum impression + BI micro-current anti-inflammatory pain + 42-degree thermal lymphatic energy detoxification. work on rebels at and recurrent pimple and acne marks eliminate acne marks and smooth the skin.back you shine for the face tone.operated, wireless design, carry and use wherever you go. Descriptions: cooperation of the last three technologies (415 nm light + BIO bioelectricity + 42 hot lymphatic detoxification) Can penetrate skin surface tissue, circulation benefits, promote cells to secrete coll , thereby eliminating acne marks,acne scars, reduce acne, whitening and smoothing the skin effectively. y operated, more convenient to use, no matter where you go. Specifications: Model: KD-7910 Function: EMS blue light acne treatment Voltage: 1.5V Current: 0.6A Dimensions: 0.9 Product dimensions: 135 * 19 * 19mm Material: ABS supply: 1 * AA ( not included) Note: Please allow 1-3cm (0.4-1.18 ) difference due to manual measurement and slight color variation for different display setting Package included: 2 x Pen 2 x User .