Element Optics Rangefinder Module w/ Ballistic Black. Instead of using an optical viewfinder this unit connects to your weapon system and can be ''zeroed'' to your riflescope. This eases your workflow and enables you to range and engage your target without changing position. And its not just the range it will tell you; the RF Module will present you with an accurate firing solution out to 1000 Meters harnessing the full power of the integrated Ballistics Chip to factor in weather conditions incline spin drift and more. Create a ballistic profile on an app send it across in seconds and have the relevant data displayed on the rear screen. Specifications for Element Optics Rangefinder Module w/ Ballistic: Manufacturer: Element Optics Weather Resistance: Yes Water Resistance Level: Water Resistant Maximum Range: 1000 m Weight: 4.09 oz Length: 3.83 in Color: Black Battery Type: Lithium Metal CR2 Rangefinder Application: Hunting Features of Element Optics Rangefinder Module w/ Ballistic Weapon Mountable Element Ballistics Chip Bluetooth Connectivity Remote Switch Included 1000m range USB-C Charging Warranty Package Contents: Element Optics Rangefinder Module w/ Ballistic Lens Cloth Product Manual Element Optics 50087: Rangefinder Module w/ Ballistic Black