1/2″ wide by 17″ long. Mounts using supplied 3M double-stick tape. Powered by three .180 male bullet plugs – one ground, one hot to power the amber diodes, plus an additional hot to power the blue diodes. Both colors are a single function light. Approved by the manufacturer for interior/exterior use. NOTE: The image shows 4 plugs, HOWEVER, this light only has 3 plugs. Both colors are a single function light.