G1 Helmet Night Vision Goggle NV Binocular 1920x1080P 4.5 Digital Zoom 940nm IR Head Mount Eyepiece infrared NV Goggles Device. Note: it is with 8GB card. Digital Zoom:4.5x. Angle Of View:30°. Exit Pupil Distance:40mm. F# for Objective lens:1.2. Video Output:240×536 resolution AMOLED. Imager CMOS:High-sensitivity Sensor. Imaager Size:1/2.9′. IR LED:3W Infared LED with 940nm. Micro SD Card:Support SDHC 4GB32GB SD Card. Hardware Buttons:Power on/off or ZOOM. Record:MOV file in SD storage. External power supply:TypeC 5V/2A. 2PCS CR123A battery: 4V-6V. Battery life: 6 hours working time with IR off. 3modes:Video, Playback, Menu. 5 levels IR switch for USB power, 3 levels IR switch for battery. Auto Power Off (Off/3min/ 5min/10min). Language: English /French/ Spanish/Portuguese/Deutsch/9 LANGUAGES. OLED Brightness 4 Levels. Mount Head Strap 1.