Features: For outdoor enthusiasts, emergency responder, and professionals requiring real time coordination, it offer versatility across various user groups. Whether coordinating a team on a construction site or staying connection during hiking trip, this two way radio long ranges capabilities ensures you're never out of reach. Frequency Ranges:VHF 136-174MHz & UHF 400-470mhZ (Double Band)Channel Capacity:99Operated Voltage:3.7V Battery Lift (5-5-90 duty cycle):72 hoursFrequency Stability:2.5ppm (-20c ~ +60c)Operated Temperature:-30c ~ +60cAntennas Impedance:50ohmWeight:About 130gR.F power rating:2WModulation:F3E Spurious Emission:65dBFM Noise:45dB(W)/42dB(N)Sensitivity (12dB SINAD):0.2VSpurious Response Rejection:-60dBRadio Output Power @8ohm:1.7VReceiver Current:400mA Specifications: Component:Plastic Size:Approx.47x81x23mm/1.85x3.18x0.9inch Double Band, Double Display VHF 136-174MHz & UHF 400-470MHz FM RADIO 87-108MHz (Receiving only) 1750Hz Tone Battery Savers BCLO Tail Tone Elimination Package Includes: 1pcs Double Band 10W Portable Radio 1pcs 3.7V 1500mah Liion Battery Pack 1pcs Desktop Charging Base 1pcs Charging Cable 1pcs Belt Clip 1pcs Hand Straps note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.