The MR001GZ01 is a job site radio which can be powered via an AC adaptor or from one of Makita's XGT, LXT or CXT power tool batteries. It can run for up to 30 hours with a 40v 4.0ah XGT battery installed. SpecificationsBattery Range: 12 - 40 vFrequency Range FM: 87.5 - 108 MhzFrequency Range AM: 522 - 1710 kHzSpeakers 2x 89mmPractical Output (12v)1.2W x2Practical Output (14.4v)2.2W x2Practical Output (18v)3.5W x2Practical Output (40v)5.0W x2Net weight 4.35.3 kg Features and BenefitsCompatible with XGT, LXT and CXT batteriesAC adaptor jackCarry handle with built-in FM antennaIP65 rated dust and shower-proof constructionDual speaker stereo systemRuns up to 30 hours with an 40Vmax XGT Li-ion 4.0 Ah batteryElastomer bumpers and metal pipes protect against rough handlingAUX-IN jackDigital AM / FM Tuner with LCD Backlit DisplayIlluminated control buttons and dial for improved visibilityAdjustable sleep (auto shut off) timer Co