The bulb measures 5.826 inches tall.
It is good to -4 F The bulbs will take longer to come to full brightness at low temperatures.
Thank you for your recent inquiry with The Home Depot, Amber. This bulb is discontinued and no longer available. We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot.
Yes, it contains mercury.
It's a flood light, so the lens has inside dimples to scatter it.