The S-PIR is a self-contained motion detector with a built in GSM modem for sending a SMS text message to you when a zone is breached.
Installation is simple as SeNd Technology states that you just register the pay-as-you-go SIM card with some credit and insert into the S-PIR, plug in the mains transformer and you are ready to configure. Then by SMS change the security passcode and add your mobile number – and it’s ready.
To “arm” just “ring” the S-PIR for a few seconds and it will give you a 15 second window to leave the secure area.
When the PIR sensor next detects motion you will receive a SMS informing you. The S-PIR will then call you so you can hear (via the units built-in microphone) and activity at the remote location.