TWO MODES OF OPERATION: Eyepiece supports manual or automatic white balance, manual or automatic exposure, with a stainless steel metal case SENSITIVE AND ACCURATE: Electronic eyepiece with 1/3 inch sensor, scanning, offers low illumination and high sensitivity CLEAR IMAGE: Eyepiece adopts 960 TVL hardware resolution, professional micro-type image sensor, delivers clear imaging and good color reproduction; factory default is PAL PERFECT REPLACEMENT: Designed to replace eyepieces on conventional microscopes, converts existing microscopes with 23mm or 30mm eyepiece diameters into digital microscopes MULTIPLE FEATURES: Enhanced eyepiece with added functions such as measurement, calibration, note taking, and comparison Item Type: Electronic Eyepiece Microscope Connection Mode: 23.2mm / 0.91in interface, directly inserts into the eyepiece Output: Video, CVBS Digital Image: Not applicable Image Sensor Size: 1/3 inch, 4.840 x 3.611mm / 0.19 x 0.14in Sensor Horizontal Resolution: 960 TVL Sensor Effective Pixels: PAL: 968(H) x 488(V), NTSC: 960(H) x 480(V) Image Control: Manual or automatic white balance, manual or automatic exposure Minimum Illumination: 0.005 lux Signal to Noise Ratio: 43.6dB Dynamic Range: 65.9dB Working Voltage: DC 12V (working current: 90mA) Power Consumption: 140mW Operating Temperature: -20°C to 50°C Relative Humidity: ≤90% Color: Black Material: ABS Package Contents: 1 x Electronic Eyepiece Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement may vary by +/- 1-3cm.