Features: 1. Adjustable focus wheel, easy to operate 2. Support WIFI to connect electronic devices to watch images 3. Built-in 8 LED fill lights, the brightness can be adjusted, the light is uniform, soft and not dazzling 4. Focusing 50X-1000X, can be operated with one hand, smooth and convenient Product parameters: 1. Scope of application: biological observation, printing inspection, scientific experiment 2. Magnification: 50-1000X 3. Lens structure: 2G+IR 4. Field of view: 16 (depending on the lens) 5. LED quantity: 8 SMD3528 bright white lights (brightness can be adjusted) 6. Focusing method and focusing range: manual adjustment, 0~40mm 7. Imaging distance: 3mm to infinity 8. Sensor size: 1/7.5 9. Signal-to-noise ratio: 45db 10. Sensitivity: 3V/lux-sec 11. Video recording format: MP4 12. Video resolution: 960x540, 640x480 13. Shooting picture format: JPG 14. Working range: 0-10m (open scene, blocked scene will affect the working range) 15. Working time: about 90 minutes (at full charge, battery life also affects working time) 16. Power supply mode: 650mah built-in lithium battery 17. Charging requirement: DC-5V/1A 18. Working current: 270mA 19.WiFi working environment: Android5.0 and above system, ios8.0 and above system 20. Supporting equipment requirements for WiFi working environment: support 2.4Ghz (8201.11b/g/n) wireless data transmission equipment 21. Product size: W05: 12 x 3 x 3 cm, W05-B: , W05-Z11054: 22. Product weight: W05: 130 grams, W05-B: 186 grams, W05-Z11054: 302.5 grams packing list: -W05: Microscope x 1, Manual x 1, Calibration ruler x 1, USB data cable x 1 -W05-B: Microscope x 1, Stand x 1, Manual x 1, Calibration ruler x 1, USB data cable x 1 -W05-Z11054: Microscope x 1, Stand x 1, Manual x 1, Calibration Ruler x 1, USB Cable x 1