Applications:
1. Operational and training purposes of reconnaissance and command of military units;
2. Patrol records of border armed police, customs anti-smuggling inspection and maritime patrol;
3. Anti-terrorism and stabilization, secret investigation, inspection and evidence collection of law enforcement by departments of public procuratorial law and city administration;
4. Monitoring wildlife in nature reserves, forestry, wildlife conservation, scientific research institutes, forest farms, wetlands and forest parks to combat poaching;
5. Field observation and rescue, mountain cave tourism adventure enthusiasts outdoor tourism climbing telescope camping photography monitoring;
6. News reporters observe and take photos remotely, and investigate company/private detective evidence collection records;
7. Traffic command and highway management departments observe and take long-distance license photographs;
8. Long-distance observation and photography of dangerous industries such as fire fighting/banking/power/railway water conservancy/steel plant/riot prevention/high-level operation;
9. Forestry management, geological exploration, petroleum production units, Airport management, large-scale assembly management units/railway and port distances;
10. Environmental protection, safety supervision or long-distance photographic monitoring of hunting and animal observation enthusiasts;
Characteristic:
Ultra-low illumination digital night vision instrument with a minimum illumination of 0.001 LUX.
High-definition imaging, with photography, video, video output, audio and video recording, screen brightness adjustment, lighting brightness adjustment, photo and video playback and time setting and other functions.
Continuous working hours exceed 2.5 hours.
Ultra-small size, ultra-light weight,
Equipped with 1/4 "scaffold interface.

item	KHSY177T-4.5x50
Infrared NV Type	Low illumination night vision instrument
Magnification	4.5x
Objective lens diameter	50mm
low light range	Natural Starlight 2.5m-～∞
No light with infrared LED range	Full Black Auxiliary Lighting 2.5m～300m
LED	940µm
Image Sensor resolution	1280×720
Image sensor type	CMOS
Digital zoom	8x
Exit pupil	14mm
FOV	5º×3.75º
Display resolution (LCOS)	750×560
Focus range	2.5m-～∞
屈光调整范围	±10
Diopter adjustment
Image display device	LCOS
DV feature	Yes
Video length/ picture qty	Depending on the capacity of TF cards
Video output	TV/Yes
Digital signal port	mini USB Interface/Yes
External power supply for recharge	mini USB Interface/Yes
Storage media	TF(Standard Configuration: 8G)
Video time length	Every 10 minutes/segment
Housing material	ABS+PC
Waterproof	IPX4
Working temperature	All-weather
Battery type	Rechargeable lithium battery 18650  2200MAH/
Battery life	2.5H
Dimension	290×73×64
Weight	437.2g