Useful for those applications where coverage of a large area is not required, the RF5108WKK1-433 Wireless key kit can simultaneously support up to eight Wireless keys without taking up a Zone slot and eight Wireless detection devices. The RF5108-433 Wireless receiver of the kit easily expands any DSC hardwired system by adding coverage to areas that are difficult or impossible to reach with conventional wiring. The RF5108WKK1-433 Wireless key kit is ideal for small- to mid-Size installations.