How much does this cost to the nearest dollar?

Sensaphone Sentinel (Ethernet Option)
The Sensaphone Sentinel is a brand new Sensaphone alarm. The next step in remote monitoring solutions from Sensaphone the Sentinel provides users with access to sensors readings remotely via a web-based interface. The Sentinel has 12 distinct inputs for monitoring up to 12 different conditions/alarm sensors and can store an unlimited number of data logged records for each sensor. When alarm conditions for any sensor are recognized users are instantly alerted via e-mail, telephone or text message*. For remote locations the Sentinel is also available with a built in cellular modem, so no hard wired internet connection required! For Installers/Integrators The Sentinel is the first web based Sensaphone alarm that allows multiple devices to be registered under the same online account. Now you can

Price is $554.00
Price: $553.5