Feature: 1. Compact Design: With compact design, the two way radio is lightweight, portable, easy to grab, and easily fit into pocket, powerful and simple to operate. 2. Practical: Multiple security encryption functions ensure call security, avoid eavesdropping interference, high penetration and stable signal, and improve work efficiency. 3. Long Standby Time: Built in 3000mAh lithium battery, support USB charging, long battery life, to meet the needs of long term operation. 4. Parameter: Frequency range is UHF400‑470MHz, support 80 channels, built in antenna to ensure efficient transmission of sound, with high sensitivity, low distortion. 5. Application: Suitable for outdoor, self driving tours, mountaineering, hiking, cycling, construction sites, security properties management, hotels, 4S shops, etc. Specification: Item Type: Walkie TalkieMaterial: ABSFrequency Range: 400-470MHz UHF Number of Channels: 80 channels Channel Spacing: 25kHz/12.5kHz Working Mode: Same frequency singleton or cross frequency singleton Antenna Configuration: Built in antenna Frequency Stability: ±2.5ppm Operating Temperature: -20°C to +60°C Supply Voltage: Rechargeable lithium battery 3000mAh 7.4V Transmission:Modulation Type: F3E Maximum Deviation: ≤±5kHz/≤±2.5kHz Signal to Noise Ratio: -45dB/-40dB Reception: Sensitivity: 0.22 uV/0.25uV (12 dB SINAD) Intermodulation: 65 dB/60 dB Audio Distortion: <5% Audio Output Power: ≤1W (8Ω) Receive Current: ≤500mA Standby Current: ≤60mA Battery Type: Lithium battery 3000mAh x 1 (built in). Package List: 1 x Two Way Radio1 x Back Clip1 x Charging Cable Note: 1. Do not turn off the receiving device during the process of receiving data;2. Do not turn off the transmitter device before the device has not completed the reception;3. External electromagnetic interference may affect the wireless copy data, please confirm whether the communication is normal after the copy is completed.4. The above three situations may affect the integrity and accuracy of the copied data, such as these situations, please re‑carry out a wireless copy operation to solve.