Our products advantage: Our tube resolution is 28-36lp/mm, with AA Grade, this is core of NVD. The voltage of power supply is from 1.5v or 3.v raising up to 17.5±0.5v, this is best one,because it s not only good for eyes,also make sure brightness of tube.just like common power supply of NVD is 15kv,lower brightness, and can be up to most 21kv, but not good for your eyes as it s too bright.. It s no matter that you put battery wrong plus and cathode into battery space when you are ready to use NVD, not result in damaging devices. Small current, only 10MA.Long time battery life, up to 48 hours without IR under battery current 1200MA. Auto brightness protection function, when strong light suddenly come, our NVD will be auto-off in case damage NVD, after 2 seconds will be continuing to work. SPECIFICATION Lens magnification :X5 Objective lens diameter: 50 mm Lens system 50mmF/1.2 :80mmF/1.7 FOV at distance 100m/110yards :16/52 m Field of view :12.5deg Focus range:1.0 toinfinity m Exit pupil diameter: 6mm Eyepiece Dioper adjustment : +4 ,-4dptr Eye relief: 15mm Power supply : AA battery (one by 1.5V)v Battery life IR : hour Up to 20 on Battery life IR : hour Up to 60 off Overall dimensions: L×H×W: 203×81×61mm/in Weight : 613g Effective Distance Detection range : 220/175m IR power: 25 IR wavelength: 850nm IR effective distance: 25m Environmental Data IP standard of water-resistence ： IPX4 Humidity ： 93% Operating temperature： -30 to+45C Storage temperature：0 to+60C Buyer attention please: AA Batteries are not included in package due to strict safety inspection on air express shipping! What's included in the package: 1,Night Vision Monoculor 2,Carrying Case 3,User Manual 4,Cleaning Cloth
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