... . Pro-environment: low power comsumption7.Structure: connect on 45.angle, single side open on four flips,and double sides can open for ... 2 sidesSingle side frame Doule side frame 8. Color of light: red, green yellow, blue ... -scale exhibition, etc.16. Certificate: CE,ROHS etc.17. Package: single packed in air bubble bag, then in hard carton.