RIGID SR-Q SPOT HYBRID LAMP 94421 MARINE WHITE

Per the manufacturer, this lamp is 4.96 inches wide and 1.84 inches tall.

Per the supplier: yes, the lights will ship with the mounting bracket.

This is attached with the included mounting bracket.

The specifications tab shows the details for each on their respective pages, but in short, the Spector, 11-11220, is a brighter unit with 6 LED's, and the Hybrid is not as bright with 4 LED's. They are manufactured in the same case.

This is integrated with RFI/EMI protection. However, depending on wire placement and the device itself, the possibility of RFI/EMI is still possible in rare instances. Normally if it still persists after installation, a Ferrite Clamp can be used to dampen the interference.