RioRandRR-PL-360 Digital PLL Portable AM/FM Shortwave Radio with DSP, Black Powered by RioRand Advanced Technology PLL Synthesized AM/FM/SW Radio with DSP (Digital Signal Processing) Technology Patented ETM Tuning (Easy Tuning Mode) plus 450 memories;Includes high-sensitivity AM antenna Alarm clock + sleep timer + thermometer + build-in battery charger 30-day money back guarantee & 1-year manufacturer's warranty