It has two AC power outlets which offer more versatility for jobsite power, a tech Box which provides protection and storage for smaller items. It is also fitted with a USB port in the Tech Box for device charging (when the DCR017 is connected to mains). It also has a 3.5mm auxiliary port which allows for connection to portable audio devices. The blow moulded roll cage has 6 impact resistance points for maximum durability, twin sets of woofers and tweeters with ported bass for high fidelity audio and is supplied with a 2 metre power cord with wrap-around cord storage. Please note this is a bare unit, no batteries or charger supplied.