Satco Shape T4 4W Bayonet Double Base Bulb Satco Shape T4 4W Bayonet Double Base Bulb delivers a bright, warm-white glow in compact fixtures, making it ideal for decorative lighting, display cases, and under-cabinet runs. With 1250 lumens at 2900K, you get noticeable brightness from minimal wattage. Wattage: 4W Lumens: 1250 lm Color Temperature: 2900K Base Type: Bayonet Double Base Energy-efficient by design, this bulb minimizes running costs while maintaining steady color quality and dependable performance. The bayonet double base ensures secure, quick installation in compatible sockets, and its compact T4 shape fits tight fixtures in homes or light commercial spaces. In the Halogen/ Specialty Bulbs category, Satco brings trusted reliability to Liberty Lighting customers seeking a warm, everyday bulb with a classic look and modern efficiency. Order today and upgrade your lighting.