Feature:1. Durable: Made of rugged ABS shell, which is anti collision and drop resistant, IP67 dustproof and waterproof, suitable for use in outdoor harsh environments.2. Clear: The volume is high, full and clear sound quality, adopts unique noise reduction technology effectively reduces ambient noise and enhances the call experience.3. Practical: AM and FM modulation, frequency range of 26.965 to 27.405MHz, with low power consumption, high gain and sensitivity, strong signal reception capability.4. Transmission: 4W FM AM power output, strong transmission anti interference ability, high sensitivity, less than 5% signal distortion, with output impedance of 50.5. Receiver: High reception sensitivity, effective image suppression and adjacent channel suppression ability, strong automatic gain control, 3003000Hz frequency response.Specification:Item Type: Handheld CB RadioMaterial: ABSModulation Mode: AM FM Frequency Range: 26.965-27.405MHz Frequency Tolerance: 5.0ppm Input Voltage: 12V Frequency Control: PLL Synthesizer Operating Temperature Range: -20C-+55CCurrent ConsumptionTransmission: 2A maximumReceiver: Stationary 0.3A VOL Maximum: 0.8A Antenna Connector: UHF, SO-239TransmissionPower output: 4W FM AMTransmission Interference: Less than 4nW (-54dBm)Frequency Response: 300-3000HzModulation Signal Distortion: Less than 5%Output Impedance: 50ReceiverSensitivity: Less than luV at 10dB (S+N)/N Image Suppression: 70dB Proximity Channel Rejection: 60 dB IF: 1st 10.695MHz, 2nd 455KHz Automatic Gain Control (AGC): For inputs of 10-50000uV, the audio output varies by less than 10dB and the noise is less than 1uVAudio Output Power: 3W into 8 Frequency Response: 300-3000HzPower Input: AC100-240VBattery: QB58L 4100mAh lithium battery x 1 (included).Package List:1 xTwo Way Radio1 x Antenna1 x Back Clip1 x Hand String1 x Battery1 x Charging Base1 x Power Adapter1 x ManualNote:1. Do not place the product in an environment that is too corrosive, humid and hot!2. Please follow the applicable voltage for power supply, the use of other voltages is easy to cause fire and product damage!