Athlon Optics Rangecraft Velocity Pro Radar Chronograph Doppler Radar Type Rechargeable Lithium-Ion battery 6-hour battery life Transreflective LCD Screen Intuitive interface Display Size: 2.4" Display Resolution: 240 x 320 Memory/History: 50 Sessions / 100 Shots per Session Velocity Range: 65-5000 FPS Velocity Accuracy: +/- 0.1% Operating Range: 14AdegF to 122AdegF / -10AdegC to 55AdegC Waterproof - IP67 Compatible with the Athlon Ballistics App Bluetooth capable for Android and iOS app pairing Chronograph Dimensions: 3.5" x 2.7" x 1.2" Chronograph Weight: 4.7 oz Tripod Dimensions: 4" x 1.2" Tripod Weight: 4.3 oz USB-A to USB-C cable included