1. HF34 taxi top light box 2. 860*350*300mm 3. 12V DC power, ,energy saving ... magnets at bottom,steady enough.just put it onto car roof,no install.3. light: LED light inside,about 5w,can ... 50000hours4. Voltage: 12V DC power5. material: PP(poly preopylene) or ABS, no harm to human beings and environmental protective.6. Color ... LED light:Our product display ark:Our factory picture: HF34 roof box