High-Definition Night Vision Experience clear visibility up to 300m at night with advanced 850nm infrared illumination, adjustable in 5 steps for optimal viewing. Powerful Optics Featuring a 5x40 magnification and φ40mm objective lens, this device offers a 5°*3.75° field of view for detailed observations. Versatile Recording Capture 30MP JPEG photos and 4K/30fps H.265 videos with audio, perfect for documenting your outdoor adventures. Day and Night Functionality Enjoy color visualization during the day and crisp black and white imagery at night, with a range of up to 1000m in daylight. Long-lasting Performance Powered by a 3000mAh 18650 lithium battery, operate for up to 10 hours in day mode or 6 hours with infrared illumination. Rugged Design Housed in a rubberized ABS casing, this device is built to withstand harsh outdoor conditions and extreme temperatures. Specifications: Image sensor: 4 Mega Pixel Magnification: 5*40 Dimension of Objectives: φ40mm Field of View:   5°*3.75° Display resolution(Pixel): 320*240 Operation buttons: 5 buttons (MENU, IR, ZOOM, PWR ON) Brightness display: adjustable in 5 steps Infrared illumination: IR LED 3W, 850nm adjustable in 5 steps Visualisation:  in color by day, black and white by night Range up to approx.(m): 1000m by day / 300m by night Pictures angle: approx 6.8° Aperture: f/1.4 Recording capability: Photo / video with audio Digital picture format: 30MP / JPEG (7360*4128 Pixel) Digital video format:  4K / 30fps, H256 (4096*2160 Pixel) Memoer card: Micro SD/SDHC 4GB to max. 256GB Power supply: 18650 lithium battery, 3.7V / 3000mAh Operating time approx (with fresh battery): 10h in day model/ 6h with infrared illumination Tripod mount: 1/4'' Housing: ABS, rubberized Dimension approx.(cm): 20*8.6*5.6 Operation Temperature:  -20℃ to +60℃ Storage Temperature: -30℃ to +70℃