Description: The picosecond laser pen is manufactured by high quality ABS and electronic component. Blue LED light, it has four gears of energy strength and nine gears of working frequency. Its pulse width is short, it hardly produces light and heat effect, no damage to the undamaged tissue. It can directly break up dark pigment by powerful and rapid energy to achieve the goal of improving skin. With none harm or damage to skin tissue. It will make sure fewer treatment times and better treatment effects, more safe to apply. The product is wide applicable to customers, long-term use will make sure more obvious effect, it's more durable and safe. Features: 1. Short pulse width, hardly produce light and heat effect. 2. Powerful and rapid energy breaks up dark pigment directly. 3. Without any damage to skin tissue. 4. Fewer treatment times, better treatment effects. 5. Wide customer application range, more durable and safe. Specifications: Item Type: Picosecond Laser Pen Material: ABS, Electronic Component Color: As Picture Shows LED Light Color: Blue Plug Type: US Voltage: 110-220V Energy Strength: 4 Gears Working Frequency: 9 Gears Package Weight: Approx. 450g Size: Approx. 19 x 3.5 x 3.5cm / 7.48 x 1.38 x 1.38inch Operation method: General usage and precautions: 1. Plug in the power, and the machine is energized, and the digital tube displays 2. Press the frequency mode select button to select the frequency, then set the output energy size 3. After setting, press the laser emission switch to output energy 4. During operation, wear protective glasses 5. Keep the machine cleaning and avoid contact with other contaminants 6. No unauthorized operation of the hand 7. After use, please keep it properly after cleaning Blue light picosecond: After the power of the digital tube, the frequency button will be pressed, and the blue ray will have nine frequency modes 1 to 9 out of the light mode, press the energy increment button to adjust the energy size, finish the setting and output the laser, and operate the closing machine, the blue light emits a laser every time Package Included: 1 x Picosecond Laser Pen 1 x Protective Eyeglass 1 x Power Adapter 1 x Repairment Patch 1 x English User Manual.