Just responded to another post and thought this might be useful for others with an omni.
Its well known now that running the processor and light off the same power source creates problems.
Shouldn't be a problem, but it is unfortunately. This however is a fairly cheap and permanent fix.
Search this lot on Amazon (or equivalent from elsewhere)
inShareplus 12V 5A 60W LED Power Supply, 100-240V AC to 12V 5Amp DC Power Adapter, Low Voltage Transformer for LED Strip Light
Security-01 1m Extension Cable, Plug 5.5mm x 2.1mm, DC 5V 6V 9V 12V 24V Power Adapter Extension Cord, for CCTV Camera, IR illuminator, Printer, LED Strip, Black
kenable 5.5x2.1mm DC Power Coupler Female to Female Adapter | Barrel Jack Gender Changer Connector | Nickel Plated | Joins Two Male DC Cables | CCTV PSU Extension
DC 5.5mm x 2.1mm Male to Female LED Power Cord DC 5521 Extension Cable with On/Off Switch Button for LED Security Camera 20cm/7.87 inch 2-Pack