Dual channel reception, using true diversity reception system, with excellent anti-interference performance and strong signal reception Dual channel reception, using true diversity reception system, with excellent anti-interference performance and strong signal reception capability. Adopting UHF ultra-high frequency band, it has less interference than traditional VHF band and more reliable transmission. ● It has a one click lock screen function, which can be operated through function group keys. ● It has a built-in frequency automatic scanning function, and the scanning results can be viewed on the LCD screen. It can quickly search and lock undisturbed frequencies in working mode, with strong practicality. Equipped with a shuttle knob and two language options: Chinese and English; 31 level digital electronic volume control ensures consistent sound on both channels The host display screen can show the working time of the transmitter when it is turned on ● Dual color screen display (orange backlight when not frequency matched, white backlight when successfully frequency matched), clear connection status for easy management ● Maximum usage distance in open space of 200 meters, can stack 10 sets of machines for use in the same contract The host, handheld, and conference base all come with battery level display ● Use 1.5V batteries (2 pieces) alkaline or rechargeable batteries, which can be used continuously for more than 6 hours; Suitable for stage performances, conference rooms, and other occasions.