The N2K-AL NaviNet Alarm is a dedicated, stand-alone NMEA 2000 alarm device designed to ensure that no critical event goes unnoticed. Connected directly to the NMEA 2000 network, the N2K-AL continuously monitors incoming data and responds instantly to alert messages.
 
BUY IT NOW at PayPal site - for secure payment 
copy this link ,and  enter it at browser
https://www.paypal.com/ncp/payment/G9RT4CBC38VHC