The R-15PM powered monitors deliver room-filling sound without taking up much space. This highly efficient, powerful yet minimalist speaker engulfs listeners in their favorite movies and music. Each monitor includes a 1" aluminum diaphragm compression driver mated to 90° x 90° square Tractrix Horn and 5.25" copper spun magnetically shielded IMG woofer.
WattsView DC Power Monitor http://prepperhub.org/wattsview-dc-power-monitor/
USB Powered Monitors are the easiest way to add an additional display to your PC and laptop. USB Powered Monitors are easy to connect and improve your productivity. With the help of Secondary Monitor, you can perform multiple tasks at a time.
QuadStation Mobile- 3 Display Laptop Travel Computer. Portable 3 Display Laptop System for Travel. Lightweight Laptop & 2 USB Powered Monitors 1.7lbs ea. No Power Cables Required for Monitors. Quad Core i7, Solid State Drive, 16g Mem, Only 4.4lbs. USB Monitors Come with Case that Doubles as Stand.