All of these types of driveway alarms use what is called passive infrared sensor technology. They work by detecting moving heat. One common cause for these units to be ‘missing’ vehicles in the winter is that the vehicle simply has not warmed up yet. It’s normal for a vehicle which was just started up and is leaving the property […]
Please view the below diagram to see how to wire a siren to a (normally open) relay or a driveway alarm that has a DRY CONTACT (no voltage) output. This uses a plug-in power supply of the correct voltage, sufficient to power the siren. If you are using the voltage output of a driveway alarm […]
Yes they absolutely are! Rodann Electronics is a small AMERICAN manufacturer and Absolute Automation Inc. is proud to distribute their high quality, wireless driveway alarm systems.