Compatible with front turn signals only (including halogen and LED signals)Designed specifically to work with OEM alarm systems (TSSM) or turn signal module (TSM)Eliminates erratic blinking of turn signalsSolid-state waterproof moduleProduces absolutely no heat so it is OK for parade use allows emergency flashers to be used for any amount of timeFor use on models with self-canceling turn signalsMade in the USA