shock sensors need to decide

so I'm looking to add a shock sensor to my omega k9-150 alarm. I got two choice? Which should I get, the cost difference is a matter of $3. Dual Zone Air Resonance Shock Sensor The AU-84TA is a dual zone impact sensor that utilizes state-of-the-art Air Resonance Impact Technology to detect shocks and blows to the exterior of the vehicle. Pre-warn output to chirp siren and warn thieves away pre-wired 4-pin plug allows easy connection to all Omega systems.     * Each zone is independently adjustable     * Dual LED sensitivity test light     * Highly resistant to RF interference     * Authorized Internet Dealer     * 1-year Manufacturer's warranty OR Dual Zone Shock Sensor The AU-84TP is a miniature dual zone impact sensor that utilizes two separate piezo crystal elements detect shocks to the exterior of your vehicle and breaking glass. Pre-warn output to chirp siren and warn thieves away. Pre-wired 4-pin plug allows easy connection to all Omega systems.     * Each zone is independently adjustable     * Dual LED sensitivity test light     * Authorized Internet Dealer     * 1-year Manufacturer's warranty

AU-84TP is what i would go for.

tedmond wrote: AU-84TP is what i would go for.

ditto on the AU-84TP

ok, sounds good to me. thanks for the input guys!