Low Voltage 12V: The voltage is 12V 35W, please turn off the power before installation, make sure the input voltage is 12V and not 220V, otherwise the bulb will be damaged. 50x44MM: 5.3mm between 2 pins, bulb Please make sure the size is 50 x 44 mm The bulb fits Please check your lamp before purchasing. Please note the size difference between MR16 GU5.3 and MR11 GU4 bulbs. Dimmable: 680lm warm white 2700K, 100% dimmable, instant lighting Create a warm and comfortable lighting environment without delay. Easy to Install Installation: 2000 hours lifespan, 6pcs package is more durable, standard GU5.3 base, easy to install. Install without tools, do not touch immediately after power off to avoid burns. Application: MR16 GU5.3 halogen bulbs are ideal for tool-free installation for use in recessed lighting or on track. Suitable for general indoor lighting of living room, bedroom, kitchen, hallway, hotel, restaurant, cafe, etc. < p>