Product Review

Power Grommet, Desktop Power Data Outlet with 2 AC Outlets and 2 USB Ports 6'ft Heavy Duty Power Cord

Item Size：3.15 (diameter) * 2.95 (depth) (hole size)
3.58 inch (Surface Diameter)
AC Outlets: 2AC surge outlets
USB Ports: 2 ports
Input: 125V/60Hz
Rated Power: 1500W(125V 12A)
USB Charger: 5V 2.1A 

Install detail: 

1. Make sure there is enough space before you cut a hole for it. 
2. Cut a hole size about 3.15 (diameter) * 2.95 (depth)
3. Place the Power Grommet into the hole and lock with the outer ring.
4. Screw it tight 
4. Connect power cord with power source. 
5. Finish!