... siren,1 wiring, 1 spare battery, 2 remote controlsFrequencyCustomized(303M,315M,390M,433M,433.92M(Hz),etc ... kinds of finely remotes (optional ) 2. Remote arming / disarming 3. Remote engine start/ stop 4. Waterproof mini-mainframe Function5. ... Superremote range 6. Low power consumption 7. Engine immobilization/Anti-hijack 8. Remote ...