【Low Voltage 12V】The voltage is 12V 50W, please turn off the power before installation, make sure the input voltage is 12V not 220V, otherwise it will damage the bulb. 【50 x 44mm】5.3mm between 2 pins, size of the bulb is 50 x 44mm, please make sure the bulb fits your lamp before purchasing. Note the size difference between MR16 GU5.3 and MR11 GU4 bulbs. 【Dimmable】80lm warm white 2700K, 100% dimmable, instant lighting without delay, creating a warm and comfortable lighting environment. 【Easy to install】2000 hours lifespan, the pack consists of 6 pieces of durable, standard GU5.3 base, easy to install without tools, do not touch immediately after power off to avoid burns. 【Application range】MR16 GU5.3 halogen bulbs are ideal for use on recessed or track lighting. Suitable for general indoor lighting of living room, bedroom, kitchen, hallway, hotel, restaurant, cafe, etc.