Tech is the only authorized USA Distributor to honor the Manufacturer Warranty. Only Tech offers warranty claims without shipping anything to China. You must insure that Tech is your selected buying option when buying to be able to have the full USA warranty High / Med / Low Power Settings (8W(VHF)7W(UHF)/4W/1W); Frequency Range: 65-108 MHz(Only commercial FM radio reception) VHF: 136-174 MHz(Rx/Tx). UHF: 400-520 MHz(Rx/Tx); Broad (Wide) / Narrowband (Narrow) Selectable Helpful Guides and Programming Tips at Tech.com and Miklor.com Dual-band handheld transceiver with display function menu on the display 'LCD'. Function Busy Channel Lock 'BCLO'.