400M Night Vision Binoculars Camera 7×31 Zoom NV400B Security Binoculars Video Recorder IR Night Vision Optical For Surveillance. Note :it is with 8GB SD Card. Magnification: 3.5 X31 (MAX 7x) Digital Zoom: 2 steps magnification, Max 2x Angle Of View: 9° Objective Aperture: 31mm Exit Pupil Distance: 30mm F# for Objective lens: 1.2 Range: 3m8 in daytime; Viewing in the darkness up to 400M (monochrome) Eyepiece magnification: 2x TFT LCD Resolution: 320×240 Display: OSD menu display CVBS output:VGA resolution Wide Dynamic Range: High-sensitivity CMOS Sensor Image Size: 4 inches Image Resolution: 640X480 IR LED: 3W Infared LED with 850nm Micro SD Card: Support 32GB Hardware Buttons: Power on/off/Snap/Mode selection/Zoom/IR switch Operation: Preview/Record/Capture/Playback External power supply – DC 5V/1A Power:8 pcs AA battery 4.5V-6V Battery life: 6 hours working time with IR off Battery low warning: Yes IR switch:5 Level Power save: Off/1 min / 3min / 50 min System Rest: Yes Light Freq: 50/60HZ Date Input: Yes Size: 210mmx145mmx65mm Net weight:750g (without battery). User’s Manualx1 Cleaning Clothx1 Pouchx1 USB Cablex1 TV Cablex1 Neck Strapx1. Hunting, scouting game Security and surveillance Camping fun/exploring caves Nighttime navigation Night fishing and boating Wildlife observation Search and rescue. Chinese /Japanese /French /Deutsch /Korean /Italian /Portuguese /Russian / Spanish / Arabic.