The Dewalt DWST1-81079 Job Site Radio and Battery Charger is 18 Volt and FLEXVOLT battery compatible. The Radio has FM, AM and DAB+, with a 45 Wattage Output. Fitted with TSTAK stacking latches and also incorporating shock absorbing rubber bumpers on all 4 corners to ensure tough on site protection. This heavy duty site radio has 4 mid range speakers to the front, top and bottom and 2 powerful sub-woofers underneath, which together give a fantastic sound quality. The radio can be controlled remotely via your Android or Apple device using the DeWalt Mobile App, allowing for complete control of the device on site, and with BLE (Bluetooth Low Energy), you stay connected without sacrificing your battery. The Radio also features a full colour & rotating screen, easily editable preset DAB and FM radio stations, an integrated music player that allows streaming music of your own, USB charger, 3.5mm Auxiliary and a large IP54 rated storage and battery compartment. With FLEXVOLT Compatibility, the DWST1-81079 can be powered using either a DCB546 6.0Ah or a DCB547 9.0Ah battery giving unbelievable runtime. When connected to the mains, it doubles up as a battery charger too.