Inim, Previdia Compact 2 loop analog fire alarm system (not expandable) with a touch screen, and zone status LEDs. There can be connected a maximum of 240 participants per loop. Panel has a large light gray housing 497 x 380 x 97mm (WxHxD) with 4A @ 27.6 VDC switched mode power supply, with room for 2 x 17Ah Batteries.