no warm-up time, instant on at full brightness, 80 RA, CE, RoHS certified, mechanism free, lead free. We strongly recommend equipping these MR16 LED bulbs to work with an LED transformer for 100% compatibility which can ensure the bulbs do not flicker or malfunction Please note that these MR16 LED bulbs only work with 12 volts. Focus on reliable and excellent lighting performance Plastic and aluminum housing, better dissipation, longer lifespan Bulb size: D50mm * H50mm Base type: standard MR16/GU5.3 5W, 450 lumen Volt: AC/DC 12V Color: Warm White 3000K Energy class A++ NON-Dimmable GU5.3 LED bulb 5 LEDs + 80 RA 5 LEDs inside, the CRI is +80, better reflecting the color original objects 36 degree beam angle, more focus on No flicker, no glare S& #39;please turn off the power before installing/replacing the bulbs; If it is not dimmable, it may cause flickering if you use a dimmer switch with it . Delivery quantity: 6 piece Welcome to meet