Note: Fill the tank with water before turning on the device, until it overflows from the overflow opening (use sufficient purified or medical-grade distilled water). Insert one end of the tubing into the automatic water injection port. Open the overflow, wait until the tank is full, stop adding water, and then turn on the device. 【ND Q-Switch La-ser Energy】: The YAG la-ser is absorbed by blue and black melanin. The melanin is broken down into smaller particles, which can then be metabolized by the lymphatic system or eliminated by the body. An infrared light guide allows for precise targeting of the tissue to be treated. 【Multifunctional Eyebrow Hair Removal Device】: This device can be used to remove eyebrows, draw eyeliner, outline lips, and remove tattoos, freckles, birthmarks, moles, and more. It is specially designed for removing red, blue, brown, and other colored tattoos. 【High-Definition Screen】: Intuitively visualize the process and understand your skin's condition for simpler and more convenient use. Remove freckles, melasma, sunspots, age spots, brown spots, and blemishes. Also suitable for areas of regrowth, even superficial and fine hairs. 【Safe and Effective】: Picosecond technology, non-invasive, safe for hair follicles and healthy skin. No complications, with a more precise probe, no anesthesia, and a quick recovery. Effectively treats exogenous and endogenous pigmentations, even those associated with dyes.