Efficient and energy-saving chip One large LED chip in the center Generates a bright light to replace 40W halogen traditional halogen bulbs. Capable to Save 90% on energy costs for you. Great heat dissipation effect Thickened ceramic base lamp body, which gives off heat quickly, safe and durable. Effectively extend the span life. Nice lighting effect 3000K warm white GU4 MR11 LED Bulbs, CRI＞85, see all color the way they are supposed to be seen. Specifications Material: plastic Power rate: 4W Voltage: AC/DC 12V Amount(LED chips): One Large Color temperature: Warm white 3000K Lumen: 380 Dimmable: Non-dimmable Size: 35mm*38mm Quantity: 6 Pack