Product parameters:

 Image Intensifier level : 5l
    Magnification: 8X
    Lens cofficient: F1.2 , 25mm
    Resolution: 138
    Field of view: 40 degree
    Diopter adjustment range: -2 degrees to +8 degrees
    Focus adjustment range: 25cm to infinity
    Working temperature : -40 / +50 (degree centigrade)
    Storage temperature: -50 / +70 (degree centigrade)
    Power supply: 1 quarter 3 volt lithium battery
    Size: 160 x 102 x 65mm
    Weight: 0.48kg
    Waterproof: yes

Product features:

OHB-Y 5I is a binocular single tube telescope night vision instrument, which can be handheld or helmet mounted.
    This machine can install 1, 3, 5, 8 times lens.
    When adding 8 times lens, it can be connected with tripod and used for long-distance fixed-point observation.
    With AUTO function, when wearing the head, turn up the head bracket, the equipment automatically turns off with strong light protection and automatic brightness control function built in wide-angle infrared light,easy to target search.