850nm Cross Cursor Aiming Infrared Night Vision Device Tactical HD Search Sighting Telescope Set Monocular IR Hunting Telescope Features: Long Night Vision Distance-- The effective distance of all-black night vision is 200-300 meters, and the visual distance is 500 meters.Distinguish objects in high-definition at long distances. Compact and Portable-- This telescope is small and light, only 600g, easy to carry around. Bring the telescope to your outdoor activities. With Tracking Cross-- The cross cursor can be adjusted horizontally and vertically, adjust the cursor to coincide with the crosshair of the scope and can be used while charging, but does not support memory cards. Long Battery Life-- Battery life is 4 to 5 hours (without infrared), about 1.5 hours (with infrared).Two different modes are available, choose the mode according to your needs . Use Instructions-- 4x zoom adjustment, black and white at night, 850nm infrared illumination is needed to fill in the light for viewing, and the infrared illumination needs to be turned off during the day to present a color interface. Specifications: 1. OL display: 1.54 inches 2. Magnification: 4x electronic magnification 3. Resolution: 320*320 4. Main chip sensor: Cmos Sony307 5. Infrared: 850 6. Video synchronization delay: less than 0.01 seconds 7. All black visual distance: effective distance 200-300 meters, visual distance 500 meters 8. Battery life: 4-5 hours without infrared, about 1.5 hours with infrared 9. Working battery life: support use while charging 10. Memory card: not supported 11. Weight: 0.6g 12. Color box size: 27cm*13.5cm*7cm 13. Product size: 24*4.5*11CM 14. Night Vision Eyepiece Diameter: 30MM 15. Telescope objective lens size: 30MM Package includes: Packge 1* Infrared Aiming Night Vision Device 1* 20mm Extra Rail 1* Lens 1* USB Cable 1* Packing box