Philips 417105 Landscape and Accent 50-Watt T4 Bi-pin Base 12-Volt Light Bulb 4 Pack This 50-watt bulb produces bright white light designed to enhance the unique styling of your home and accents your landscaping and outdoor dcor. Turn your garden and walkways into well-lit, inviting outdoor spaces that create peace of mind with this versatile, 465-lumen outdoor bulb. Features a Bipin base. Just by flipping the switch, your landscape is at full brightness. No slow starting or waiting. Philips reuses as much glass and packaging material as possible, reducing environmental impact. This energy-saving bulb has an estimated annual energy cost of $6.02 (based on three hours/day). This product ships as a 4-pack and comes with a 2-year warranty.