From Amazon
Blagdon Ultra Bright Economical LED Pond and Garden Light, Fully Submersible, Waterproof, Automatic Sensor Turns on at Dusk, 0.76 Watt (1 Light), with Transformer, Cables and Fixings, Black
Wilko
Blagdon Black Pond and Garden LED Feature Light
Pondkeeper
Blagdon Enhance LED Single Spotlight