These lights are technically light sources, but as you can see in the picture they barely shine. (Left is the replacement, right is the original string.) Skip them and find something better.
Lamp LED Xiaomi Mi Smart LED Bulb Essential (MJDPL01YL), E27, 9 W, 6500 K
113 Review
Smart bulb Yandex with Alice, base E27, 8 W, RGB color
76 Review
Royal Canin Gastrointestinal Low Fat Dry diet food for adult dogs with digestive disorders, 12 kg
23 Review
Lamp LED Yeelight Smart LED Bulb W3 (YLDP005), E27, A60, 8 W, 6500 K
47 Review