ProSeries Two-Way Wireless Outdoor Siren. Next generation, two-way, encrypted wireless peripherals which are easy to install, support remote diagnostics and updates to reduce truck rolls and are secured to protect accounts from competitive takeover. SiX™ sensors feature a battery pull-tab, auto-enrollment and no-touch adjust to speed installation and eliminate errors. Devices can be configured remotely as needed, reducing the need to schedule on-site visits. The System Health Check feature lets you monitor device signal strength, sensor settings and battery life anytime, anywhere via AlarmNet 360™, letting you quickly and proactively troubleshoot. SiX Two-Way Wireless Technology employs true, 128-bit AES encryption for a high level of security. Reduce truck rolls with user-replaceable batteries and the ability to remotely adjust sensor parameters and download software updates.