AceTech Airsoft Chronograph with OLED Readout Display and Bluetooth

Manufacturer: AceTech Product Construction: Polymer Muzzle Speed Measurement Range: 98.43 - 1312.34 (FPS) Burst Speed Measurement Range: 100 - 5000 Rounds/Minute Measuring Tube Diameter: 36mm Battery: 1x 18650 Lithium battery (Included w/ micro USB cable for charging) App Compatibility: AceSoft App available for free on Google Play Store and Apple App Store Product Dimensions: 130mm x 108mm x 61mm Product Weight: 0.6 lbs Features Muzzle speed measurement range: 30.00 ~ 400.0 m/s Burst speed measurement range: 100 ~ 5000 rounds/minute Speed measuring tube diameter: 36mm Camera tripod screw hole for fixing to camera tripod Compatible with AceSoft Bluetooth App for all controls and programming 25 shot memory slots for velocity and ROD (Rate of Fire) User-friendly interface with 128x128 pixel OLED in white color Auto-calculate MAX, MIN, AVG by shot memory