The Philips Hue GU10 White Ambiance Twin Pack is a set of brand new, sealed Bluetooth bulbs designed for indoor use. These energy-efficient LED bulbs have a colour temperature range of 2200-6500K, providing a bright and adjustable light output of 350 lumens each. With smart home compatibility with Philips Hue and smart home protocol using ZigBee, these dimmable and colour-changing bulbs offer a convenient and versatile lighting solution for your home. Each bulb has a life span of 15,000-19,999 hours, making them a reliable choice for long-term use.