Swiss Arms Pro-Chronograph, Black

This high quality chronograph measures the velocity and other characteristics of your AEG. This is a must have for anyone doing their own upgrades as can easily measure the performance level of any airsoft gun. This is a rechargeable charger, a charger is included. Measures:

• Muzzle Velocity in FPS and MPS
• Power (Joules)
• Rate of fire (round per minute)

Variable Settings

• Caliber of BB
• Weight of BB

Features:

• Auto Power Off
• Battery Power Status Indicator
• Backlit Screen
• Settings Memory