Brand: JS-Tactical
Product: X3300 chronograph
Version III
Works with 3 AAA batteries (not included)
Extreme function for energy saving
White LED backlit display

Features:
Measure the Joules
Measure m / s (Meters per second)
Measure r / s (shot speed)
Measure r / m (speed per minute)
Measure the possible distance of the ball, both in meters and in feet
Internal light sensor, to allow its use even in low light
External barrel adapter
Programmed automatic shutdown
Low battery indicator light
Reduced measures
Prepared for tripod (not included)
Entirely built in aluminum
Data backup
Possibility of adjusting weight and diameter of the pellet