Light used - works great! Extra Large LCD & Display USB Fast Recharge] 1) 1-hour super fast recharge and enough for 2 months usage. 2) Designed with storage base out of sanitary and tidy consideration. 3) USB charging cable (Adapter not included), compatible with any USB interface device. Such as phone or tablet adapters, or computers. 4) working time and battery status vividly display on extra large LCD screen, allow to easily control your operation process without any possible dangers. [4 replaceable probe heads] 1. Microcrystal Suction Head - Work for removing dead skin and increasing the skin absorption and activity, suitable for the whole face and neck. 2. Oval Suction Head-Best for the corner of the mouth, nose or cheek as a daily cleaning. 3. Large Round Hole Head-The larger round pore is for deepen cleaning, suitable for the bigger blackheads, acne at the deep skin. 4. Small Round Hole Head-The small round pore is for gently removing small blackheads, grease, dust on the surface of the skin. [3 Suction Modes] (L1) ake-up Residue Mode : weaker suction, suitable to clean residues in pores. (L2) Acne Mode : medium suction, suitable to clean acnes or comedones. (L3) Blackhead Mode : strong suction, suitable to clean blackheads. Note: If you get fragile thin skin, we recommend to use L1 or L2 mode to clean blackheads.