elips::: Choose a brand wherein long range remotes are active. Yung nakakabit sa akin na Black Widow short range ang remote nya. You'd have to be a couple of meters near the vehicle before activating or deactivating it. Made in USA daw ito and costs 4.5K in Banawe.
IMO, mas maganda yung long range remotes para kahit malayo nakapark alam mo kung san mo hahanapin sasakyan mo. :D
And also this thread rings a bell in my mind, there used to be a thread with car alarms here somewhere. You might want to use the search option above. :D