A means that the product is best rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. A Philips Hue White ambiance 5041131P9, Smart lighting spot, Bluetooth, White, LED, Synthetics, GU10 Philips Hue White ambiance 5041131P9. Type: Smart lighting spot, Interface: Bluetooth, Product color: White. Energy efficiency class: A, Power source type: AC, Input voltage: 220-240 V. Width: 3.54" (90 mm), Depth: 3.54" (90 mm), Length: 3.54" (90 mm). Package type: Box, Package width: 55.9" (1420 mm), Package depth: 30.3" (770 mm). Quantity per pack: 1 pc(s)