Feature: 1. Strong Signal: 2 way radio with high density antenna, 5W high power, effectively improve the penetration, not hindered by clutter. 2. Excellent Performance: Professional manufacturing, exquisite workmanship, comfortable hand feeling, stable performance and high reliability. 3. USB Rechargeable: USB charging is efficient and convenient, 3800mAh large capacity battery, rechargeable 2 way radio has a long lasting life. 4. Multifunction: 16 storage channels, transmission timeout limit, voice control function, low power reminder, scanning, monitoring function, etc. 5. Wide Application: Suitable for property security, construction site, basement, hotel, KTV, self drive communication, outdoor activities, port logistics. Specification: Item Type: Walkie Talkies Material: ABS Application: Property security, construction site, basement, hotel, KTV, self-drive communication, outdoor activities, port logisticsFrequency Range: UHF 400-470MHzStorage Channel: 16 Working Voltage: 3.7V DC Frequency Stability: ±2.5ppm Operating Temperature: 20℃ to +50℃ Antenna Impedance: 50Ω Power: 5W Transmitter: Radio Frequency Power: <5WMaximum Deviation (W/N): ≤5KHz/≤2.5KHz Spurious Emission: ≤7.5uW Adjacent Channel Power: ≤-65dB/≤-60dB Signal to Noise Ratio (W/N): ≥-45dB/≥-40dB QT/DQT (W/N): 0.7±0.1KHz/0.4±0.1KHz Modulation Sensitivity: 8-12mVTransmission Current: ≤1.2AReceiver: Sensitivity: -122dBm (12dB SINAD) Audio Power: 0.4W(8R load) Audio Distortion: ≤10% Betweenness(W/N): ≥65dB/≥60dB Adjacent Channel Selectivity (W/N): ≥65dB/≥60dB Clutter Suppression: ≥65dB Receiving Current: ≤380mA Battery Type: 1x3800mAh lithium battery (equipped with)Battery Model: C5 Plug Standard: AC100-240V . Package List: 1 x Walkie Talkies1 x Antenna1 x Battery 1 x Back Clip 1 x Hand Rope 1 x Charging Dock1 x User Manual Note: 1. Do not place the product in an environment with excessive corrosion, humidity and high temperature. 2. Please charge according to the voltage in use. Using other voltages may cause fire and damage to the product.