Armasight CO-LR GEN 2+ QS MG Quick Silver White Phosphor Night Vision Long Range Clip-On System with Manual Gain, Black Converts your daytime scope, sight, or binoculars into night vision devices Mounts in front of any day scope with no Re-Zeroing required Wireless remote Control Powered by a single AA or cr123a battery Bright light cut-off System Black and White Night Vision with Manual Gain Control Mounts in Front of Day-Time Rifle Scope Quick Release Mount Mil-Standard Compliant Export of this product outside of the United States of America is not allowed and is controlled by the US Department of State