Features: Dual Band with LCD Display. Features two bands and LCD display, including VHF 136-174MHz (RxTx), UHF 400-520MHz (RxTx), which can be programmable via PC, with 128 channels to ensure strong penetration of radio wave for long communication distance, suitable for using in 1-5km for urban area, 3-8km for suburb area and 10-15km for open area. Wide Compatibility. Widely used in the construction site, hotel, plant, bars, warehouse, supermarkets and for security, self-driving activities, campus communication, field survival, biking, hiking, road trip, camping, hunting, etc. 4800mAh Li-ion BatterySafe & Eco-friendly. Built-in large-capacity li-ion battery Features over-charge protection, over-discharge protection and circuit protection system, for safe use and environment protection. Small Size for Easy Carrying. The multi-functional walkie talkie is designed in small size, and comfortable hand feeling, with detachable antenna for strong signal. Low RF Power for Wider Coverage. Safe for you to use, while ensures the long service life of the battery and ensures wider coverage, and the transmission distance is based on the different environment. Extra Functions. Features LED flashlight, radio, USB charging and other functions, more practical. Specifications: Type: FM Transceiver Brand: BAOFENG Model: BF-UVB2 Plus Color: Black Frequency:  VHF: 136-174MHz (RxTx) UHF: 400-520MHz (RxTx) Memory Channels: Up to 128 Channels Frequency Stability: 2.5ppm Frequency Step: 2.5kHz5kHz6.25kHz10kHz12.5kHz25kHz Antenna Impedance: 50 Ohm Operating Temperature: -20 celsius to +60 celsius Duty Cycle: 030354min (RxTxStandby) Transmitter: RF Power: 4w1w Max. Deviation: less than +-5kHz less than +-2.5kHz Spurious Emissions: less than -60dB Receiver: Intermodulation: 60dB o Output: 1000mW Battery: 4800mAh 7.4V Item Size: 12.5 * 5.2 * 3cm 4.9 * 2.05 * 1.18inches Item Weight: 192g 6.8oz Package Size: 17.5 * 10.5 * 10cm 6.9 * 4.1 * 3.9inches Package Weight: 414g 14.6oz Package Include: 1 * Interphone 1 * Battery 1 * Charging Base 1 * Charger 1 * Antenna 1 * Clip 1 * Manual