Blx88 dual receiver features: up to 12 compatible systems microprocessor-controlled internal antenna diversity one touch quickscan locates the best open frequency 1/4” and xlr audio outputs two color audio status indicator led blx2 pg58-handheld transmitter features: power and battery status led adjustable gain control quick and easy frequency matching aa batteries (included) provide up to 14 hours of continuous use 300 ft. (100 m) operating range (line of sight) set consisting of: 1 x blx88 dual receiver 2 x blx2 pg58-handheld transmitter