The ATN Laserballistics 1000 Digital Rangefinder ranges targets and instantly calculates turret adjustments for long-range shots. When networked with your phone and Smart-HD scope via Bluetooth, the ATN Laserballistics 1000 has an effective range up to 1,000 yards and can adjust the reticle in mere seconds. For traditional scope users, the ATN Laserballistics 1000 connects with your phone and displays exactly how much you need to adjust your scope for a dead on hit. Calculates ranges from 5 to 1,000 yards 6x magnification 7.2Adeg field of view Sealed & waterproof Uses one CR2 lithium battery Using advanced optics and laser technologies, the ATN L Mfg: Atn