1. The uses a ultraviolet lamp produced company , with high stability and .2. Small size, light weight, simple operation, patients carry around, can be treated at home.3. High radiation intensity and obvious treatment effect.4. Reflector is installed inside the irradiator to the radiation effect.How to use an ultraviolet phototherapy device?1. treatment: For patients with psoriasis, first remove the scales on the surface of the skin lesion by bathing for 15-20 minutes. 2. During treatment: Initial period: 15 seconds of irradiation time, if the skin does not show erythema or burning sensation day, you can increase the exposure time by 15 in irradiation the above process and increase 15 seconds each time until the skin appears light pink Erythema, and then no increase the irradiation time, and continue to puncture the dose, once 2-3 , it is advisable to have mild erythema in the irradiation effect. Mid-term treatment: Keep the above 2-4 courses. If the skin does not have any discomfort, increase it by 10% based on the time. Pay attention to observe the skin reaction and repeat the above process. 3. Description of treatment course: Generally, one week is one treatment course, one treatment course is 3-5 , and the exposure time of the first treatment course is controlled at 2-3 minutes each time. After one treatment course, there is a significant improvement. treatment course can increase the irradiation time accordingly.Plug Type: US Plug, it applies to Canada, , Mexico, Thailand, Taiwan, the , the Philippines and so on.Colour:WhiteMaterial:plasticVoltage: AC110VPackage Contents:1 x Ultraviolet lampOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.