WE-TECH X3400 Airsoft Shooting BB Chronograph (Green)

Features:

• - Measure muzzle velocity of airsoft gun
• - Built in battery, use USB cable to recharge
• - LED display and back light option, user can use the product during day or night time
• - Auto shut down when idling for a period of time (setting can be changed)
• - Tripod Ready mounting hole (screw for standard camera / camcorder tripods)
• - Includes USB cable for charging purpose

Muzzle energy range: 0.01~9999 Joule
Power: 2x AA Battery (Not included) 
Weight: 72g, 200g
Dimensions: 84.5mm x 59mm x 31mm, 108mm x 87mm x 66mm