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From the manufacturer

AN INCREDIBLY ROBUST AND HIGH IMPACT OUTDOOR DOUBLE POWER SOCKET: From BG Electrical Storm Range, the outdoor socket can be installed in gardens and patios, as well as in shed’s, outhouses and garages for safe electricity supply outdoors
WEATHERPROOF AND DUST PROOF RATING OF IP66: With LED power indicators and a clear cover with large open/close paddles for ease of operation
SUPPLIED WITH 8 X 20MM MULTIPLE KNOCK-OUT MOUNTING BOX: There is a choice of cable entries on four sides of the housing to cover all cable entry requirements
EASY TO INSTALL WITH CLEARLY MARKED TERMINALS WITH BACKED OUT CAPTIVE SCREWS: For ease of installation, with fast fix screws and patented cable entry to prevent accidental opening
TRUST IN THE BG ELECTRICAL STORM WEATHERPROOF RANGE: As they are guaranteed against faulty materials and workmanship for 25 years – giving you total peace of mind