F means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. F Philips 8720169365087, Outdoor wall lighting, Black, Metal, IP65, Garden, Patio, I Philips 8720169365087. Type: Outdoor wall lighting, Product color: Black, Housing material: Metal. Fitting/cap type: Non-changeable bulb(s), Bulb type: LED, Bulb power: 20 W. Power source type: AC, Input voltage: 220-240 V, Energy efficiency class: F. Width: 0.787" (20 mm), Depth: 5.12" (130 mm), Length: 5.12" (130 mm). Quantity per pack: 1 pc(s), Package width: 4.41" (112 mm), Package depth: 1.46" (37 mm)