Feature: 1. Skin Firming And Lifting: Alternate use of hot and cold, thoroughly activate cells, improve the overall texture of the skin, firm and lift facial skin, shrink pores, and eliminate eye bags and dark circles. 2. Cooling Mode: Locks in moisture and nutrients, relieves redness, swelling, pain and other discomfort in acne prone skin, suitable for sensitive skin. 3. Heating Mode: Promote facial blood circulation, promote rapid absorption of serum, accelerate metabolism, and eliminate toxins. With timing function, convenient to adjust the time. 4. LED Photon Skin Rejuvenation: Red light for whitening and wrinkle removal, blue light for calming sensitive skin and repairing pimples, green light for fading spots, color light for repairing acne and acne marks. 5. Clear Buttons: You can adjust the heating and cooling temperature according to your needs, easy to operate. The heat dissipation hole design helps to prolong the service life of the instrument. Specification: Item Type: Hot Cold Hammer Material: ABS Color: White Voltage: 100-240V Battery Type: Lithium Battery Battery Capacity: 2200mAh (Built In) Charging Time: About 3h Package List: 1 x Host 1 x Plug 1 x Manual How to use: 1. Press the "Switch" key, the digital display shows a red light, but it has not started to work; 2. Press the "Cool" key, the green light on the left is on, the probe on the left starts the cooling mode, press the "Cool" key repeatedly to adjust the temperature (3, 5, 8) and cycle in turn; 3. Press the "Time" button to adjust the time settings, and repeatedly press the "Time" button to set the time settings (5, 10, 15, 20, 25, 0 minutes) in sequence; 4. Press the "LED" key, the working probe will display red light, repeatedly press the "LED" key to display blue light, green light, color light, color light flashing, turn off the light, and cycle in turn; 5. Press the "Hot" key, the red light on the right is on, the right probe starts heating mode, and press the "Hot" key repeatedly to adjust the temperature (35, 36, 37, 55) in sequence; 6. When using, you can choose the appropriate mode and gear according to your needs; 7. Finally press the "Switch" key to shut down. Charging Instructions: Charge it for 2 hours for the first time, and it can be used for about 1 hour. Depending on the mode, the usage time will vary. In order to protect the circuit board, this product is designed with a time setting to automatically shut down, and it can be restarted after shutting down. When charging, the screen shows a red light flashing. When fully charged, the red light is always on.