FX Outdoors True Ballistic Chronograph No external trigger Utilizes radar technology Detects 400 - 4,000+ FPS Shows STD Deviation and Spread Indicates subsonic yardage Select G1/G7 Drag Models Internal battery Rechargeable using USB-C cable Small and portable Weight: 1.8lbs Dimensions: 7.4" x 9.6" Large LCD display Bluetooth capable for app pairing Works in all conditions Includes lined carrying case that doubles as stand