Brand N/A Model CZE-7C Qty 1 piece(s) per pack Color Black Material Aluminum alloy Specification Working voltage: DC 10~14V recommended to 12V; Working current: <2.0A; Transmitting frequency: 76~108MHz; Transmitting power: 7W; Modulation system: FM; Frequency offset: +/- 75KHz; Output impedance: 50 ohm; Harmonic radiation: < -55dBc; Pre-emphasis delay: 50uS; Degree of separation: 40dB; Input level: -13dBV; Suitable microphone: Electret microphone can be switched between 1W / 7W; Connect the antenna pull out the power fist continuous pressing the power button and then connect the power release the power button in 3 seconds; The screen shows "H" switch to "H" / "L" via the "+" / "-" button on the front panel; Press the switch button to confirm and then to the frequency setting via the "+" / "-" button frequency range is 76MHz~108MHz; Press the switch button to confirm after setting; The screen shows "OFF" as setting finishing can working normally Other Features LCD display; Stepper is 100KHz adjust the frequency via "+" / "-" button; 3.5mm audio stereo jack; The back panel is DC 12V 5.5mm power port; Powered by DC 12V / 4A external charger adapter; The power adapter please choose switching power supply such as laptop or LCD monitor power adapter the plug with magnet ring filtering will be the best; Note: Please connect the antenna first and then turn on or the transmitter will be burnt Packing List 1 x FM transmitter 1 x AC power charger adapter (100~240V / 143cm-cable) 1 x Audio cable (179cm) 1 x Telescopic antenna 1 x AC power cable (US plug / 66cm-cable)