Product Features: ● Dual-channel reception, the use of true diversity receiving system, the system has excellent anti-jamming performance, signal reception capability. ●Using UHF ultra-high frequency band, less interference than the traditional VHF band, more reliable transmission. ●With one key lock screen function, operated by function group key ●Built-in frequency automatic scanning function, the scanning result can be viewed in the LCD screen, you can quickly search and lock the non-interfering frequency in the working state, practicality is strong. ● Adopt shuttle knob, with Chinese and English language function selection; 31-level digital electronic volume control, to ensure the consistency of the sound of the two sides of the channel. ● The main unit display can show the transmitter start-up working time. ● Dual-colour display (orange backlight when the frequency is not aligned, and white backlight when the frequency is successfully aligned), the connection status can be seen at a glance, which is convenient for management ● Maximum use distance of 200m in an open place, and can be stacked up to 10 sets of machines for use on the same occasion at the same time Battery indicator for main unit, handheld and conference base. ● Use 1.5V battery (2 pcs) alkaline or rechargeable batteries, can be used continuously for more than 6 hours; ● Suitable for stage performances, conference rooms and other occasions.