Feature: 1. Equipped two frequency bands and LCD display screen, including VHF 136-174MHz(Receive/Tx), UHF 400-520MHz(Receive/Tx). 2. Up to 128 channels to ensure strong penetration of radio wave for long communicate distance, suitable for using in 1-6km for urban area, 2-8km for suburb area, 2-10km for mountainous area and 3-12km for plain area. 3. The multi functional handheld radio is designed in small size and comfortable hand feeling, with detachable antennae for strong signal. 4. IP67 water resistant and dust proof level, shockproof and wear resistant, no worry of any harsh environment. 5. Built in 2800mAh large capacity li ion battery features over charge conservation, over discharge conservation and circuit conservation system, for safe use. Specification: General: Color: Black Frequency range: 65MHz-108MHz(Only commercial FM radio reception) VHF: 136-174MHz(Receive/Tx) UHF: 400-520MHz(Receive/Tx) Memory channels: Up to 128 channels Frequency stability: 2.5ppm Frequency step: 2.5kHz/5kHz/6.25kHz/10kHz/12.5kHz/20kHz/25kHz Antennae impedance: 50Ω Operating temperature: -20℃~60℃ Battery: Li-ion battery, DC7.4V/1800mAh Consumption in reception: 380mA Consumption in transmit: ≤1.4A Operating Mode: Simplex or semi-duplex Duty cycle: 03/03/54min(Receive/Tx/Standby) Transmitter: RF power: 5W/1W Type of modulation: FM Maximum deviation: ≤±5kHz/≤±2.5kHz(W/N) Spurious emissions: <-60dB Receiver: Intermodulation: 60dB Audio output: 1W Spurious radiation: ≥65dB Item size: 13.4 * 6.5 * 4cm /5.28 * 2.56 * 1.57in Item weight: Approx. 256 /9.03oz. Package List: 1 * Two-way radio 1 * Battery 1 * Antennae 1 * Power adapter 1 * Charging base 1 * Belt clip 1 * Handstrap 1 * User manual