Evike Advanced Compact Airsoft Computer Chronograph 2 II Dark Earth - (38782) Application: To measure muzzle velocity of 6mm devices, Air gun devices under 1200 FPS, 8mm devices and paintball Compatibility: 6mm, 8mm and paintball; Modes: Joules, FPS and M/S Package Includes: Chronograph, Barrel Adapter, Charger Charger: AC 110-120V 7.2V Included. Please use ONLY the supplied charger (We are not responsible for damages involving non-supplied chargers) Manufacturer: Evike. OEM: UFC Japan