Features Two operating modes: eyepiece support, manual or automatic white balance, manual or automatic exposure, durable stainless steel metal housing SENSITIVE AND ACCURATE Electronic eyepiece with 1/3 inch sensor, progressive scanning, low illumination and high sensitivity CLEAR IMAGE: The eyepiece uses 960 TV cable hardware, professional micro image sensor, ensures clear images and good color reduction. The factory setting is PAL Perfect replacement: used to replace the eyepiece of conventional microscopes and converts existing conventional microscopes with eyepiece diameters of 23 mm or 30 mm into digital microscopes Multiple functions: more powerful eyepiece with new functions such as measurement, calibration, notes and comparison Specification: item type: electronic eyepiece Material: ABS, stainless steel. Basic parameters: Microscope connection mode: diameter approx. 23.2 mm/0.91 inch interface, directly inserted into the eyepiece tube Output signal: video, CVBS Digital Image: None Image sensor size: 1/3 inch, approx. 4.840 x 3.611 mm / 0.19 x 0.14 inches. Horizontal sensor resolution: 960 TV cable. 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: 43.6 dB. Dynamic range: 65.9 dB Working voltage: DC 12V (working current: 90mA) Power consumption: 140 mW. Operating temperature: -20-50℃ Relative humidity: <= 90%. Package list: 1 x eyepiece. 1 x floppy disk. 1 x user manual (English language not guaranteed) Package List 1 x Eyepiece 1 x Floppy Disk 1 x User Manual