The GATE Titan is a Drop-In MOSFET with a ton of features.This Complete set contains the following: - TITAN V2 NGRS Module with BASIC firmware (rear or front wired)- Installation Kit - TITAN Patch - Quickstart Guide For a full description of this product with more photos, click here. Important notes: - To run and set up the TITAN, it is necessary to have the USB-Link - TITAN V2 NGRS is not compatible with Tactical Programming Card - TITAN V2 NGRS does not support DSG and 19-tooth gears TITAN V2 NGRS supports: -Tokyo Marui M4 Next Generation - Tokyo Marui SCAR-H Next Generation - Tokyo Marui SCAR-L Next Generation - Tokyo Marui HK416D Next Generation - Tokyo Marui HK416C Next Generation - Tokyo Marui HK417 Next Generation - TITAN V2 NGRS does not support: - Tokyo Marui 36C Custom Next Generation - Tokyo Marui Model 36K Next Generation - Tokyo Marui AKS74N Next Generation - Tokyo Marui AKS74U Next Generation - Tokyo Marui AK102 Next Generation - Tokyo Marui AK47 Type 3 Next Generation