Originally Posted by b18c1delsol93

You can get the alarm on ebay for 180 to 240. I paid $210 for mine shipped, and it was the python 990. The proximity sensor (508D) goes for $40, not $102, the back up battery is $20 shipped on ebay (520t), and the immobilizer goes for $20 shipped on ebay. So unless you're installing this in the car, your price is jacked up.