specification:
Magnification: 3.5 X31 (maximum 7 times)
Digital zoom: 2 times magnification, up to 2 times
Viewing angle: 9°
Objective lens aperture: 31mm
Exit pupil distance: 30mm
Objective F#: 1.2
Range: 3m~∞ in the daytime; viewing images up to 400M (monochrome) in the dark
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
Infrared LED: 850nm 3W infrared LED
Micro SD card: support 32GB
Hardware buttons: power on/off/snapshot/mode selection/zoom/infrared switch
Operation: preview/record/capture/play
External power supply-DC 5V/1A
Power supply: 8 AA batteries 4.5V-6V
Battery life: 6 hours working time, infrared is off
Low battery warning: Yes
Infrared switch: 5 gears
Power saving: off/1 minute/3 minutes/50 minutes
System interruption: yes
Lamp frequency: 50 / 60HZ
Date input: yes
Size: 210mmx145mmx65mm
Net weight: 750g (without battery)

Accessories:
User Manual x1
Cleaning cloth x1
Small bag x1
USB cable x1
TV line x1
Neckband 1

Scope of application:
Hunting, scouting game
Security and surveillance
Camping fun/exploring caves
Night navigation
Night fishing and boating
Wildlife observation
Search and rescue