Sports Arrowspeed Radar Chrono

Microwave Doppler radar velocity sensor measure the speed of an arrow as it is shot from the bow. Easily attaches to the 5/16"-24 threaded stabilizer bushing. Features: Microwave Doppler Detects arrow speed out of the bow Does not rely on light like standard chronographs

Arrowspeed Radarchron - Archery Arrow Speed Meter (±2% Accuracy) for Carbon Metal Arrows - Bow Mount Included Instant Speed Display: Clear LCD screen shows calculated feet-per-second velocity immediately after shot Compact Design: Weighs only 3 ounces; measures 2.5 inches wide, 3 11/16 inches long, 1 3/16 inches thick Versatile Mounting: Easily attaches to compound bows via included adapter; compatible with most stabilizers