This 1-hour charger for 7.2V to 18V DeWalt battery packs (except Univolt) functions with 12V to 18V Dewalt batteries making it a cordless radio. Power outlets offer more versatility for the jobsite and Dewalt's 3-stage charging system provides maximum run-time and extends the overall life of the battery. AM/FM digital tuner with LCD display, built-in clock and 15 station memory presets. High-efficiency weather-resistant speakers with dual ports. An auxiliary port allows connection to CD players, MP3 players and portable satellite receivers with an audio cable (not included). A dual pivoting flexible antenna provides more durability and better reception.