I realise LED is the way to go but for £1.52 you can't go wrong with this.
This 120W Value Floodlight is an ideal way to light your outdoor space.
Dimensions: (H)14, (W)13, (D)9.5cm
Effects and finish: Powder coated
Features: Mains powered
Additional information: Material of base: Aluminum die casting.
Maximum bulb wattage: 120W
Energy class rating: A++ to E
Number of bulbs required: 1
Bulb required: R7S 120W bulb (not included)