Feature:1. Four Frequency Bands: Support 136174, 220270, 350390, 400480MHz four band transceiver, you can also set more convenient multi frequency transceiver.2. Clear Display: Large color screen display, seven colors can be changed, the main screen interface can directly display the transmitted power output and battery voltage display.3. Squelch Mode: UV wireless walkie talkie supports squelch mode with carrier wave, CTCSS, DCS, 5Tone, 2Tone, DTMF, bringing you pleasant using experience.4. Long Range: The power output is 4W, the battery capacity is 3200 mAh, the distance between cities and towns is about 24 kilometers, and the suburban high speed test is about 27 kilometers.5. 3200mAh Battery: The wireless walkie talkie uses a 3200mAh large capacity battery, with long standby time, fast charging speed and stronger battery life.Specification:Item Type: Wireless Walkie TalkieMaterial: ABSFrequency Range:VHF: 136-174MHz, 220-270MHzUHF: 400-480MHz, 350-390MHzPower: 4WNumber of Channels: 200 ChannelsChannel Spacing: 25KHz (Broadband) 12.5KHz (Narrowband)Phase Lock Step: 2.5KHz, 5KHz, 6.25KHz, 10KHz, 12.5KHz, 25KHzWorking Voltage: 7.4VDC15%Squelch Method: Carrier, CTCSS, DCS, 5Tone, 2Tone, DTMFFrequency Stability: 2.5ppmWorking Temperature: -20-+60Receive Part:Sensitivity (12dB SINAD): Broadband 0.25uV, Narrowband 0.35uVAdjacent Channel Selectivity: Broadband 70dB, Narrowband 60dBIntermodulation: Broadband 65dB, Narrowband 60dBFalse Signal Response: Broadband 70dB, Narrowband 70dBAudio Response: Broadband +1- -3dB(0.3-3KHz), Narrowband +1- -3dB(0.3-2.55KHz)Signal To Noise Ratio: Broadband 45dB, Narrowband 40dBAudio Distortion: 5%Audio Output Power: 1W10%Transmitter Part:Modulation: Broadband 16KOF3E, Narrowband 11KOF3EAdjacent Channel Power: Broadband 70dB, Narrowband 60dBSignal To Noise Ratio: Broadband 40dB, Narrowband 36dBSpurious and Harmonics 60dBAudio Response: Broadband +1- -3dB(0.3-3KHz), Narrowband +1- -3dB(0.3-2.55KHz)Audio Distortion: 5%Plug Voltage: AC100-240VBattery Type: 3200mAh Lithium Battery x 1 (including)Battery Model: QB-8R.Package List:1 xWireless Walkie Talkie1 x Battery1 x Antenna1 x Back Clip1 x Hand Strap1 x Charging Stand2 x Screw1 x Power Adapter1 x ManualNote:Please charge according to the voltage used, using other voltages may cause fire and product damage!