Model: YHYS5/50Intrinsic Safe Night-vision DeviceIntrinsic Safe Night-vision Device Description: YHYS5/50 Intrinsic Safe Night-vision Device Introduction: Instrument has night-vision, infrared photography, infrared video functions. It can obtain evidence over a long distance during monitoring and police patrol. Technology parameters: 1. Instrument can be used in both daytime and nighttime. 2. Large diameter, binocular, full coating film. 3. Full-wave band lens, light transmittance â?¥98%. 4. Magnification times: 4.5-22.5Ã? 40 mm (Optical lens: 4.5, digital â?¥ 5 times, objective lens diameter â?¥40mm), digital zoom â?¥5 times. 5. Display: 4 inch 640*480 color LCD screen. Recording and storage function. 6. Image resolution: 2592*1944, 1600*1200, 640*480, JPEG. 7. Dynamic image resolution: 1280*720, 640*480 @30 fps, with recording. 8. Support photograph and video function. Device can superpose date, GPS longitude and latitude coordinates info on video images.