Dual Car Cigarette Lighter Charger Mount and Holder for the Trimble Juno ST Features 12V Adapter and Charging USB Port Shock-absorbent foam inserts on the bracket/cradle holder Expandable bracket/cradle holder for the Trimble Juno ST easily accommodates 129.3 x 74 x 30.5 mm. Connect your Trimble Juno ST to the mount via the universal USB power dock and charge a second device from the 12V receptacle. Adjustable pivot arm on the cigarette lighter mount allows 360 degree rotation of holder so you can position it exactly where needed. Cigarette mount and holder provide hands-free viewing that allows you to safely use your Trimble Juno ST while charging it.