IR LED:3W, 850nm high power IR, 7 levels of IR brightness adjustment. Lens:F1.4 Aperture, f=25mm, FOV=10°. Observation distance:200-250 meters all dark observation distance, 1minfinity Weak light observation distance. Power supply:3.7V, 3000mAh lithium battery. Operation&Storage Temperature: Operation Temperature:-20? 1 x 3D Night Vision. Please make sure your address is correct before you pay. Feedback will be left automatically after we receive your feedback. We would try our best to help you solving any problem. USA --Our warehouse in the East United States.
1 or 2 Star DSR Ratings Destroy Our Company. We have a program that automatically replies as soon as you leave your feedback. We care about our valued customers, and will always try to help you. Please give us the opportunity to resolve a problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues. Thanks in advance for your patience.