A04I Universal Electronic Eyepiece for Microscope 2MP Digital USB Microscope Camera Imager for Science Education Classroom 1. TWO MODES OF OPERATION: Eyepiece support manual or automatic white balance, manual or automatic exposure, stainless steel metal case is_x000D_ 2. SENSITIVE AND ACCURATE: Electronic eyepiece with 1/3in sensor, scanning, possess low illumination and high sensitivity_x000D_ 3. CLEAR IMAGE: Eyepiece adopt 960 TV cable hardware, professional micro-type image sensor, bring clear imaging, good color reduction, The factory default is PAL_x000D_ 4. PERFECT REPLACEMENT: Used to replace the eyepiece on conventional microscopes, converting existing conventional microscopes with 23mm or 30mm eyepiece diameters into digital microscopes_x000D_ 5. MULTIPLE FEATURES: More powerful eyepiece with new features such as measurement, calibration, note taking and comparison Item Type: Electronic Eyepiece_x000D_ Microscope Connection Mode: Diameter . 23.2mm/0.91in interface, directly inserted into the eyepiece Output: Video, CVBS_x000D_ Digital Image: None_x000D_ Image Sensor Size: 1/3 inch, . 4.840 x 3.611mm/0.19 x 0.14in_x000D_ Sensor Horizontal Resolution: 960 TV cable_x000D_ Sensor Effective Pixels: PAL: 968(H)x488(V), NTSC: 960(H)x480(V)_x000D_ Image Control: Manual or automatic white balance, manual or automatic exposure_x000D_ Minimum Illumination: 0.005_x000D_ to Noise Ratio: 43.6dB_x000D_ Dynamic Range: 65.9dB_x000D_ Working Voltage: DC 12V (working current: 90mA)_x000D_ Power Consumption: 140mW_x000D_ Operating Temperature: -20-50℃_x000D_ Relative Humidity: less than equal 90%_x000D_ Color:Black_x000D_ Material:ABS_x000D_ Package Contents:_x000D_ 1 * Electronic Eyepiece _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_