Feature:1. 1.4 Screen: The wireless 2 way radio is designed with a 1.4inch screen, which can display the channel number, frequency, channel frequency, channel name, etc.2. A and B Band Frequency: Dual PTT wireless walkie talkies, PTT 1 transmits A band frequencies, and PTT 2 transmits B band frequencies, to meet your needs.3. Waterproof Walkie Talkie: IP68 high grade waterproof, suitable for all kinds of harsh outdoor conditions, suitable for hiking, camping, home, office, etc.4. Multifunction: With battery voltage display, keyboard lock and unlock, dual frequency waiting, voice control, voice control delay, FM radio, scanning, PTT ID function and other functions.5. Long Standby Time: Mini wireless walkie talkie, equipped with 6800mAh large capacity battery, super long standby time, equipped with charging device, easy to use.Specification:Item Type: Wireless Walkie TalkieMaterial: ABSColor: CamouflageTransmission: UHF: 400-520MHz VHF: 136-174MHZAviation Frequency Band: 108-136MHzReceive: 76-108, 136-180, 230-250, 350-400, 400-520, 800-870MHzPower: H 10W, L 5WNumber of Channels: 199Channel Spacing: 25KHz (Broadband), 12.5KHz (Narrowband)Frequency Stability: 2.5ppmWorking Voltage: 7.4VDC20%Working Temperature: -20-+60Antenna Impedance: 50Waterproof Grade: IP68Transmission Part:BroadbandModulation: 16K, F3EAdjacent Channel Power: 65dBSignal To Noise Ratio: -40dBSpurious and Harmonics: 65dBSpurious Emission: -36dBmAudio Response: 300Hz to 3KHzAudio Distortion: 5%NarrowModulation: 8K, F3EAdjacent Channel Power: 60dBSignal To Noise Ratio: -40dBSpurious and Harmonics: 60dBSpurious Emission: -36dBmAudio Response: 300Hz to 3KHzAudio Distortion: 5%Receive Part:Broadband:Sensitivity: -120dBmIntermodulation: 60dBAdjacent Channel Selectivity: 60dBFalse Signal Response: 60dBAudio Response: 300Hz to 3KHzSignal To Noise Ratio: 60dBAudio Distortion5%Audio Output Power 1WNarrowband:Sensitivity: -120dBmIntermodulation: 55dBAdjacent Channel Selectivity: 55dBFalse Signal Response: 55dBAudio Response: 300Hz to 3KHzSignal To Noise Ratio: 40dBAudio Distortion: 5%Audio Output Power: 1WBattery Type: 6800mAh Lithium Battery x 1 (Included)Plug Voltage: AC100-240V.Package List:1 x Wireless Walkie Talkie1 x Battery1 x Antenna1 x Charging Stand1 x Power Adapter1 x Back Clip2 x Screw1 x Hand Strap1 x ManualNote:Please charge according to the voltage used, using other voltages may cause fire and product damage!