Pack of 4x High quality NVC 27w 2500 Lumen, 330mm Warm White 5000k LED surface mount polycarbonate bulkhead lights. See description for full details. Genuine UK Seller (20 years on eBay!). Ships quickly from the UK on a UK post service. This is not your typical unbranded/ nonsense branded "HappySunnyLightingCompany" type product, I do not sell this type of junk. This product is made by NVC UK and as such, they are a cut above in terms of quality, reliability and longevity and are genuinely CE certified and come with a 1 year UK based warranty.