remote start data interface for Python alarm systems * preloaded for use in select GM anti-theft systems, including those with CAN-BUS protocols, Passlock 1 & 2, ION, VATS, Passkey3 and Hybrid Passlock/Passkey3 immobilizers * programmable firmware can be dealer-modified for upgrades, or to work with all Passlock, Passkey and ION type immobilizers * no key required -- works with your factory databus * included 10-pin harness provides wires to connect to your factory system * maintains factory alarm interface controls * 2-7/16"W x 13/16"H x 1-13/16"D *