1. When one bulb goes out , the other bulbs in that set stay lit .

2. You can have one panel with 1 string in one set . Also, you can  have 2, 3 or 5 strings in one set .  

3. It can charge in the daytime and give out energy at night  automatically . And it is very safety .

4. Price is reasonable .

5. Shapes available : 5MM Bulbs only, C6, C7, C9, M5, G12

6. LED quantity can be 20pcs, 40pcs, 60pcs, 80pcs and 100pcs .

7. White, green, yellow, red, blue and RGB LEDs are available