Basic Info.
Product Description
| MODEL | DT-NH921 |
| IIT | Gen2+ |
| Magnification | 1X |
| Resolution | 45-57 |
| Photocathode type | S25 |
| S/N(db) | 15-21 |
| Luminous sensitivity(μa-lm) | 450-500 |
| MTTF(hrs) | 10,000 |
| FOV(deg) | 42+/-3 |
| Detection distance(m) | 180-220 |
| Adjustable range of eye distance | 65+/-5 |
| Diopter(deg) | +5/-5 |
| Lens system | F1.2, 25mm |
| Coating | Multilayer broadband coating |
| Range of focus | 0.25--∞ |
| Auto anti strong light | High Sensitivity, Ultra Fast, Broadband Detection |
| rollover detection | Solid non-contact automatic detection |
| Dimensions (mm) (without eye mask) | 130x130x69 |
| material | Aviation aluminum |
| Weight (g) | 393 |
| Power supply (volt) | 2.6-4.2V |
| Battery type (V) | AA(2) |
| Wavelength of infrared auxiliary light source (nm) | 850 |
| Wavelength of red-explode lamp source (nm) | 808 |
| Video capture power supply (optional) | External power supply 5V |
| Video resolution (optional) | Video 1Vp-p SVGA |
| Battery life (hours) | 80(W/O IR) 40(W/IR) |
| Operating Temperature (C | -40/+50 |
| Relative humidity | 5%-98% |
| Environment rating | IP65(IP67 Optional) |
FAQ
Q: Are you the factory to provide OEM products?
A: Yes, we are factory focused on night vision for more than 21 years in China,
OEM/ODM service is available
Q: How about your product quality?
A: All items are provided with CE /FCC /RoHS certificates and our factory passed ISO 9000
To make sure the quality,all products will be 100% checked on production line,and we also
will randomly check base on AQL before shipping.
Q: Can I take a sample to test before I place formal orders?
A: Yes, you can take a samples at first . If there is a problem, our engineers are always here to help you.
Q: How long is your warranty?
A: All night vision have 12 months warranty. During this period, customers can replace or repair cameras for free.
Q: Can I have a refund for the defective night vision?
A: Yes, if the problem can not be solved , you could send the night vision back, and we will refund the money to you after we receive the night vision.