The PBRF by CDVI is a wireless battery-powered exit button with a large all-active face for easy visibility and operation. This high quality, all-active ergonomic switch makes accessibility easy. It is activated by a finger, hand, elbow, foot, knee, or other implement, depending on the installed height of the button. Installation is simple thanks to the snap-on cover. It is made from environmentally-friendly aluminium. The PBRF uses radio frequency technology – no wiring required – and connects to door automation and access control systems seamlessly. The PBRF operates at 433.92 MHz frequency and is compatible with all RX26 CDVI receivers. Modern design in environmentally-friendly aluminium Radio-frequency switch Compatible with all RX26 CDVI receivers Snap-on cover for easy installation 9V battery included Available with 1 microswitch (PB1), 2 microswitches (PB2), and LEDs (PB2LED)