Specifications: 1. Size of led gas signs: 8'' 10'' 12'' 16'' and etc . We can design it based on clients' requirement. 2. Digital numberthe largest number of each display Can show is 8.888 / 8.8888/ 8.889 /8.88 9/10" 3. Life span: 100, 000 hours 4. Communication: wireless remote control 5. Working temperature: -10~80 6. Working humidity: 10~80%rh 7. Power input: 100-240vac , 60hz/50hz¿ 8. Brightness: 5000 cd/m2¿ 9. Visibility>500m 10. Wireless communication distance>100m-200m 11. Display color: monochrome: red, amber, green, Blue, or white etc. " 12. Housing material: iron cabinets 13. Waterproof rate: ip 65 2f, 12 building, fu an industrial area, Dayangtian, Fu Yong Town, Bao An District, Shenzhen City, Guangdong Pr Of China