FEATURES:[ Plastic Housing [ LCD panel displays group, channel, error code, and battery fuel gauge simultaneously. [ Compact, lightweight and streamline shape for easy wearing. [ Impedance selectable switch for microphone or guitar, and built-in sensitivity level adjustor. [ Industry standard mini-XLR 4-pin (TA4F) connector is utilized for quick and screw lock connection and accepts lavaliere, headworn microphone and guitar inputs with level adjustments. [ Belt clip allows 360 degrees rotating to suit transmitter wearing. [ World's first ACT (Automatic Channel Targeting) function provides rapid automatic channel setting. [ Innovative ""Photo-cell Coupling"" high dynamic range and high fidelity modulation circuitry is capable of accepting high input level and less distortion. [ Advanced efficient transmitting and low power consumption circuit design provides battery operating hours 2~3 times longer than other brands. [ Professional quality ensures no impact-damage. [ Housing Material: Plastic[ Oscillation Mode: PLL Synthesized[ Carrier Frequency Range: UHF 620~950MHz[ Bandwidth: 24MHz[ RF Output Power: 30mW (or dependent on applicable country regulations) [ Spurious Emissions: <-55dBc[ Max. Deviation Range: 68KHz, with compandor and level limiting.[ Maximum Input Level: 0dBV[ Microphones: MU-53L, MU-55L, MU-53HN, MU-55HN[ Input Connector: Mini-XLR connector[ Battery: 2x AA[ Display Status: LCD displays battery fuel gauge, channels, and error message.[ Dimensions: 63(W)x105(H)x21(D)mm / 2.5(W)x4.1(H)x0.8(D)in[ Weight: 95g / 3.4oz ";