V-TAC 15W A65 Smart WiFi LED Bulb, RGB + 2700K-6400K and Multicolored, Dimmable, Auto On/Off, Compatible with Alexa and Google Home, No Hub Required, E27 Standard Edison Screw Base, VT-5117 : Amazon.co.uk:
15W GLS LED Cool White Light Bulb Edison Screw Very Bright 15w = 135w 6400K A60 | eBay
Buy Philips LED 15W P45 E27 ES Classic Light Bulb - Gold | Light bulbs | Argos
15W GLS LED Daylight White Light Bulb B22 Bayonet Very Bright Equivale
Paulmann LED bulb E27 15W filament 4.5W 2,000K dim | Lights.co.uk