A remote-controlled sight of a firearm has an aiming unit and a remote-controlled unit. The aiming unit is detachably disposed on a firearm body of the firearm and the remote-controlled unit connects to the firearm body. The remote-controlled unit has a button, a wireless transmitting module and a wireless...http://www.google.sh/patents/US7559169?utm_source=gb-gplus-sharePatent US7559169 - Firearm aiming and photographing compound apparatus and laser sight
