Hign-concerned Chemical:NoneWorking Principle:LEDCommodity Quality Certification:ceFunction:Skin Rejuvenation,Skin Mouisture,Skin Tightening,Facial Clean,Dead Skin Removal,Anti-Acne,Blemish RemovalPower Source:us,EU,UK,AUStandard Voltage:110V,220V,240V,100VPlace of Origin:ChinaModel Number:XWJ-3000Manufacturing Process:Machine MadeMaterial:MetalBrand Name:GLENNOrigin:Mainland ChinaCertification:CENumber of Pieces:One UnitDrawtube:MonocularImage Sensor:High performance sensorMagnification:50-1000 timesCamera light source:8 adjustable LED lightBattery:550mAh lithium batteryPower input:DC 5V 500 mAh/1ATheory:Video MicroscopeOperating temperature:32 to 113 FWorking time:2HWindow user: You also can use included USB cable to connect to your computer. Charging: 1.When the battery is running out of power, the blue light will be turn on. 2.Please charge the equipment with 5V 1A USB charger. Do not use 12V charger. 3.When charging, the red indicator light is on. If charging fully, the light is off. 4. Built-in 550mAh lithium battery, the microscope will be charged full in about 2 hours and able to continuously work for about 1hour. Selling features: 1. 1000times magnifications explore the wonderful micro world 2. Strong wifi connection ,suitable for all smartphone and tablets 3. Dust cover transparent cover design ,dustproof while ensuring ,suffient light to enter 4. Focusing wheel 50x-1000X magnification 5. 8PCS led lights for brightness in different environments 6. 360 degree rotation base to support as you need 7. HD CMOS sensor ensures high quality image and great live shot effect. Range of application: 1. Textile industrial for textile inspection 2. Printing inspection 3. Industrial inspection: PCB, Precision machinery 4. Educational purpose 5. Hair examination and scalp detector 6. Skin examination 7. Microbiological observation 8. Jewelry & coin (collections) inspection 9. Visual Assistance 10. self-examination of the mouth, teeth, nose, ears and others