Are you still looking for a professional microscope which also can be used at home? How about our microscope? Made of material and delicate workmanship, ensure its practicability, it's suitable for microorganism observation, animal section observation, identification, etc. Features -Color: Black -Material: Alloy+ABS -Size: About 11.20X8.00X3.30cm/4.40X3.14X1.30inch Specification Maximum video pixel: 640 * 4801920 * 1080 Image sensor 1 / 6.5 "color CMOS sensor Image resolution: 640 * 480, 1280 * 720, 1920 * 1080 Video resolution: 640 * 480 Data format: JPEG / avi Focusing range: 0 ~ 40Mn Single box weight: 180g PC resolution and transmission rate: 640 * 480 / 26fps.1280 * 720 / 26fps Carton size: 14.3 * 9.8 * 4.6cm USB light control portable sensitivity: 2.5v/lux.s Carton size: 50.5 * 30.5 * 25.5cm Maximum to noise ratio: 42db 50 sets in one case, weight: 9.6rg White balance: Auto PC operating system: win10 win8 VIN7 Vista Win XP Zoom: 1600x Lens structure: 2G + IR Aperture: f4.5 Lens angle: 16 degrees -Made of for long time and durable use. -It has a simple design, but very practical in use, giving you a . -It is easy to use and operate, bring much convenience to you. -Portability: Mini size, easy to carry out, can be connected with at any time. -Wide application: Exploration of electronics industry jewelry maintenance children's interest cultivation. Package list: 3 x domestic microscope