Anti-terror Video Endoscope 1 Features Excellent optical system High resolution, large viewing angle and clear image, these features improve the correctness of observation and judgment Convenient operating Flexible angle, hand-feel legerity and elastic flexible part make the user not easy to feel fatigue in operating. Soft inner part To keep the parts and structure in soft part in good state, there are four levels of spiral tube, braided hose, resin pipe and polyurethane coating in inserting part of inner structure. Flexible tip The tip of this kind of video-endoscope has four flexible directions. It make user easily and freely observe the tiny parts of object through flexible angles. Water-proof and leak-proof structure enhance durability Can record the result through image recorder or computer Video-endoscopes connecting with image recorder or computer become an image processing system which can observe, record and store and analyses the images. 2. Technical specification and parameter Optical system Viewing direction Forward-looking Viewing angle 90º Depth of observation 100mm-∞ Focus Fixed Working tube Diameter 10mm Working length(optional) 2000mm 3000mm 5000mm Flexible angle Up, down, left, right directions ≥90º Video system Display mode Full-screen Resolution 480 S/N Ratio 50dB Min illuminance 0.2Lux Lighting system Light source Charging portable cold light source Other Can connect with image recorder and computer image processing system