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: Adopt intelligent independent chip, anti interference, anti cross frequency, high density copper gain antenna, wide communication coverage and strong penetrating power. 3. Long Standby Time: Built in 2800mAh lithium battery, support base charging, easy to use, long battery life, to meet the needs of long term operation. 4. Parameter: Frequency range is 400‑470MHz, support 16 channels, gain antenna to ensure efficient transmission of sound, with high sensitivity, low distortion. 5. Material: Using high strength polycarbonate shell, hard and not easy to break, the battery and the body fit closely, elastic PTT buttons, floating point processing, clear touch, durable. Specification: Item Type: Walkie TalkieMaterial: Polycarbonate, copperFrequency Range: 400-470MHz RF Rated Power: ≤5W Channel Capacity: 16 Working Voltage: 3.7V Battery: 2800mAh lithium battery (built in) Application: Suitable for restaurants, security, engineering construction, warehouses, hotels, properties, construction sites. Package List: 2 x Two Way Radio2 x Battery2 x Charging Base2 x Antenna2 x Back Clip2 x Hand String1 x Manual Note: Please follow the use voltage for power supply, the use of other voltages can easily cause fire and product damage!