Laser Rangefinder, x
Atn Auxiliary Ballistic Laser Smart Rangefinder - 1500m Smart Rangefinder W/Bluetooth
Amazon
ATN Auxiliary Ballistic Smart Laser Rangefinder w/Bluetooth, device works with Mil and MOA scopes using ATN Ballistic Calculator App
Adorama
ATN Auxiliary Ballistic Laser 1500 Rangefinder, fits Smart HD Riflescopes