【12V MR16 Halogen Bulb】Voltage: 12V, Size: 50x45mm. MR16 and MR11 sockets are easily confused, so please carefully check that the voltage and size match before purchasing. 【Dimmable】: The spotlight bulb is dimmable with your motion switch, providing a clear, high-quality warm light. No warm-up is needed, as the spotlight bulb lights up instantly. 【35° Beam Angle】: Halogen spotlights with 35 degrees cover more space and provide a pleasant light, suitable for most home applications or ambient lighting in commercial environments. The CRI of GU5.3 halogen bulbs is greater than 99. 【MR16 Halogen Bulbs】: These 12V 20W MR16 halogen bulbs provide full brightness with a warm white 2700K color temperature, creating a cozy and relaxing atmosphere and adding a welcoming ambiance to your dining room or living room. 【Long Lifespan】: The lifespan of the MR16 halogen ceiling light is longer than 90% of the lamps on the market. It lasts up to 2500 hours. It consumes up to 28% less energy than conventional lamps, saving you time and money.