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 Talkie Material: ABS Color: Camouflage Transmission: UHF: 400-520MHz VHF: 136-174MHZ Aviation Frequency Band: 108-136MHz Receive: 76-108, 136-180, 230-250, 350-400, 400-520, 800-870MHz Power: H 10W, L 5W Number of Channels: 199 Channel Spacing: 25KHz (Broadband), 12.5KHz (Narrowband) Frequency Stability: ±2.5ppm Working Voltage: 7.4VDC±20% Working Temperature: -20℃-+60℃ Antenna Impedance: 50Ω Waterproof Grade: IP68 Transmission Part: Broadband Modulation: 16K, F3E Adjacent Channel Power: ≥65dB Signal To Noise Ratio: ≤-40dB Spurious and Harmonics: ≤65dB Spurious Emission: ≤-36dBm Audio Response: 300Hz to 3KHz Audio Distortion: ≤5% Narrow Modulation: 8K, F3E Adjacent Channel Power: ≥60dB Signal To Noise Ratio: ≤-40dB Spurious and Harmonics: ≤60dB Spurious Emission: ≤-36dBm Audio Response: 300Hz to 3KHz Audio Distortion: ≤5% Receive Part: Broadband: Sensitivity: -120dBm Intermodulation: ≥60dB Adjacent Channel Selectivity: ≥60dB False Signal Response: ≥60dB Audio Response: 300Hz to 3KHz Signal To Noise Ratio: ≥60dB Audio Distortion≤5% Audio Output Power 1W Narrowband: Sensitivity: -120dBm Intermodulation: ≥55dB Adjacent Channel Selectivity: ≥55dB False Signal Response: ≥55dB Audio Response: 300Hz to 3KHz Signal To Noise Ratio: ≥40dB Audio Distortion: ≤5% Audio Output Power: 1W Battery 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 Manual Note: Please charge according to the voltage used, using other voltages may cause fire and product damage!