Voltage: 220V, 50W. Please turn off the power before installation and ensure the input voltage is 220V, not 12V. Bulb size: 50x44mm, with 5.3mm between 2 pins. Please verify compatibility with your fixture before purchase. Note the size difference between MR16 GU5.3 and MR11 GU4 bulbs. Dimmable: 680 lumens, warm white 2700K. Fully dimmable with instant light activation. Creates a warm and comfortable lighting environment. Easy to install: 2000 hours average lifespan. Pack of 6, durable halogen bulbs with standard GU5.3 base. Tool-free installation. Do not touch the bulb immediately after use to avoid burns. Application: MR16 GU5.3 halogen bulbs are ideal for recessed or track lighting. Suitable for indoor lighting in living rooms, bedrooms, kitchens, hallways, hotels, restaurants, cafes, and similar settings.