ATN Laser Ballistics 1000 Laser Rangefinder, Black - LBLRF1000B. ATNs laser ballistics Series lrf is designed for shooters and hunters - allowing you to easily and quickly range in on your target and get instant calculation on how to adjust your turrets. Laser ballistics connects via Bluetooth to your phone having it do all the calculations in the background. While giving you clear and simple information on the number of clicks each turret must be adjusted, to hit your target. It also, can be paired with your ATN smart optic and give you Real time POI adjustments; taking the guess work out of the Equation. LONG range shooting has never been easier. Specifications laser ballistics 1000 laser ballistics 1500 item # LBLRF1000B magnification 6x view angle 7.2 degree precision to 1 Y/M range laser ballistics 1000: 5-1000 Y/M; range laser ballistics 1500: 5-1500 Y/M Bluetooth 4.1 smart phone applications Android or iOS environmental rating waterproof pairs with smart HD Obsidian II or higher day scope compatibility traditional optics compatibility works with MIL and MOA scopes using ATN ballistic calculator app battery type 1 x CR2 type, 3 V battery life 50, 000 measurements or 6 months size 4.17" x 1.38" x 2.87"/106 x 35 x 73 mm weight 5.4 oz/152 G warranty 2 years.