Fangrui Product Details This Device Is A Night Vision Instrument Used For Observing Objects In Pitch Black Or Weak Light. The Observation Distance In Weak Light Is Not Limited, And Can Reach 300 Meters In Full Darkness Environments. Equipped With Usb Interface And Tf Card Slot, Supporting Firmware Updates And Storage. Fully Functional, This Color Screen Can Be Used Normally During The Day And Night, With Functions Such As Taking Photos, , Playback, And Electronic Zoom Up To 6x. This Device Is The Auxiliary Tool For Human Night Vision Extension. Electronic Zoom:6x Objective Lens:25mm Low Light Or Daytime Ovservation Distance:2m- Full Black Observation Distance:300m(max) Recording Resolution:4k(3840*2160)/2k(2560*1440)/1080fhd(1920*1080)/ 720p(1280*720)/vga(640*480)/qvga(320*240) Camera Resolution:36mp/32mp/30mp/24mp/20mp/16mp/12mp/10mp/8mp/5mp/3mp/vga Infrared Light: 850 Nm White Balance:automatic, Daylight,cloudy,tungsten Filament, Fluorescent Iso:auto,100,200,400,800 Lcd Brightness Adjustment:high, Medium, And Low Leve