Amazon.com: 12V Ultra Life - W5W - 5W - W2,1x9,5d - 2 pcs - Blister ULTRA LIFE lamps last up to three times longer than conventional automotive lamps. For ULTRA LIFE headlight
Stairville Halogen Bulb 12V 5W – Thomann United States
High-Performance 12V Car Bulb Illuminate Your Drive, Osram