The longest range I have easy access to is 200 yards. I have a spotting scope, a cheap one, that is good for 100 yards, but it is a stretch for 200 yards. I have access to a Philips Avent SCD630 baby monitor. This is a wireless video monitor with a range of 328 yards between the camera and receiver. The receiver, video display has a built in rechargeable battery that last for a long time. The camera needs an external battery, which I have with a standard micro usb connection. I'm going to use a piece of 3" angle iron to set in front of the camera to protect it from stray shots and place it down range near the target. I know there is a commercial "target camera" system, but it cost more than twice a much. Anyone else using video for keeping a close eye on you target?