ASTER SX DROP-IN PROGRAMMABLE MOSFET MODULE (MODEL: V2 SX EXPERT / REAR WIRED / QUANTUM TRIGGER)Product Description Features Everything you need out of the box Quantum Trigger included in the kit No need to use USB Link for installation and configuration New noise resistant trigger detection algorithm Hair trigger out of the box. Even 60 trigger sensitivities for the 1st mm (0. 04 in) of movement Additional protection against interferences thanks to multi layer PCB with EMC shield Automatic Pre Cocking: LOW MID HIGH Trigger sensitivity