Power & Expansion Module Accessory for the TG-7 SeriesYou love our TG-7 commercial series of alarm communicators for their unmatched reliability. Now you'll love them for their superior flexibility as well.With the TG-PEM Power & Expansion Module, you now have access to the TG-7 features you've requested most.The TG-PEM's power module allows you to run the TG7-FS off of 24-volt panel power, so you won't need to hire an electrician to install an outlet. And, when the fire panel doesn't have a DACT, use the TG-PEM as a solution to connect panel relays to the TG-7FS.The TG-PEM's zone expander allows you to expand the TG-7's intrusion system with 8 highly configurable zones-16 if you use two TG-PEMs.More functionality, fewer costs and minimal effort? Done, done and done.