CE marked, 25 metres long if I can recall the cable is HO5 VVF .
HIGH-VISABILITY Orange Extension Lead.
16 amp 3 pin 230 / 240 volt , Extension for mains power Hook-up.
These leads coil easily for storage, where cheap flexible cable twists and tangles.
To use Outside, Garage, Marine, Camping, Caravans, Generators, etc.
Rated at 220 to 250 volts.
IP44 Splashproof socket and plug.
Conforms to IEC309-2 I think