The Astra Optix OTX-2400A is a Laser Class 1, 905nm Eye-Safe Laser Rangefinder with a laser output of 0.25mW (Milliwatt). Features embedded Applied Ballistics Ultralight firing solutions out to 800 meters and an iPhone or Android App with integrated ballistics solver. This is our Long-Range Superior Optical Quality Rangefinder Packed with Purposeful Features, and Ultimately Designed for Both Hunting and Golfing to fit your budget. In addition to accurate and fast ranging capabilities, the OTX 2400A laser rangefinder can range up to 2400 yards on a reflective target. Featuring multiple ranging options including bow and rifle modes, as well as integrated embedded Applied Ballistics ballistic capabilities for ultimate accuracy that is customizable to match the exact ammunition ballistics profile for your hunting set-up. Fully multi-coated and rain repellent lens coatings increase overall light transmission and resolution performance, as well as a clear and functional OLED reticle with multiple brightness adjustability for quick target acquisition even in low light conditions. Backed with our Handshake Lifetime Warranty, the OTX 2400A rangefinder provides you quality and features at an unmatched value