Feature: 1. Teeth Whitening: This tooth whitening lamp is a cooling light device that emits a specific wavelength. This light shines a special whitening agent on the surface of the teeth to whiten them. 2. Movable Design: Flexible gooseneck that can be adjusted to any angle. 5 universal wheels, easy to move the teeth whitening lamp to different positions. 3. Wide Range Of Applications: Improve the color of teeth through cold light teeth whitening, suitable for exogenous pigmentation adhesion, endogenous pigmentation, dental fluorosis, etc. 4. Adjustable Design: Special optical design, time and power are adjustable, you can regulate it according to actual needs. Comes with a set of accessories, easy to install. 5. Safe To Use: It is a safe and reliable teeth whitening method, with no obvious changes in dentin structure, and the teeth whitening process is gradual. Specification: Item Type: Teeth Whitening Lamp Wavelength: 460-490nm Whitening Time: 2-3 times for each course of whitening, 10-15 minutes each time Scope of Application: 1. Exogenous pigment adhesion (smoke, coffee, cola, etc.) 2. Endogenous pigmentation (mild tetracycline teeth, etc.) 4. Dental fluorosis 5. Congenital uneven color of teeth 6. Suitable for black and yellow tooth surface caused by unknown incentives How to use: 1. Before using the teeth whitening machine, you need to install the teeth whitening equipment together. Please open the box of the teeth whitening machine, remove the parts from the box, and remove the protective film. Assemble the device according to the [Installation Schematic] in the instructions and check if the wiring is correct.3. Press the "time (time)" button, the display time will flash, at this time you can adjust it once by pressing the (A) and (V) button, each time you press it to increase or decrease 1 minute, the maximum adjustment time is 30 minutes, you can set the whitening time according to your needs, and then press the "TIME (TIME)" button to determine the set time.5. Press "start" to start6. There is a temperature protection device in the main control circuit of the tooth whitening machine. When the temperature of the blue LED lamp tube exceeds 60℃, the tooth whitening machine will automatically stop working to protect the safety of the system. Package List: 1 x Five Legged Base5 x Universal Wheel2 x Bottom Fixing Accessories1 x Pillar1 x Power Supply Control Column1 x Rotating Arm Column1 x Whitening Lamp2 x Mouth Opener2 x Small Screw1 x Big Screw1 x Hex Wrench1 x Wrench1 x Manual1 x Iron Sheets Note: 1. Cold light teeth whitening may sometimes cause postoperative sensitivity, but most of this postoperative sensitivity will disappear within 1 to 2 days. The structure of the teeth after whitening will not change much under the microscope, and there is no damage to the dentin after long‑term tracking. It is a safe and reliable way of teeth whitening.2. It is best to wear goggles when using to avoid light damage to the eyes.3. Cold light teeth whitening is not suitable for young to teenagers and pregnant women.