Airsoft Chronograph

This chrono measures fps / mps / rps as well as the Joules when a BB weight is shot through.

Features

• 128*64 LCD interface
• Support Micro-USB(5V/0.5A) power input or 2 AA batteries
• Ammo parameter setting supports 5 memory slots
• 25 memory slots for velocity and ROF
• Tripod-ready mounting hole
• IR sensor self-calibration as well as IR sensor calibration
• Equipped with 4-way push button