Grace Digital outdoor rock speaker- Rock includes 1 x 1 in. tweeter + 1 x 4 in. full range speaker- 15W RMS- Controls: power, channel scan & volume up/down- Up to 150 feet wireless range- Up to 7hrs Battery Life at average volume levels- Powered by built-in rechargeable 12V battery or 15V AC adapter (included)- IPX7 approved (International weatherproofing standard) - AQRCK41
