... : 18inch waterproof outdoor led gas price signs Specification: 1. Size: 8" 10" 12" 16" 20" 24" 36"and ... 100° (traffic LED), generally, people will not see the signs directly.6. Working Temp: -40 Degrees Celsius ~ + ... ), 8" (203.2mm), 10" (254mm), 12" (304.8mm), 16" (406.4mm).12. Lines format: 5"--(2 lines), 6"--(2 ... lines), 8"--(2 lines), 10"--(2 lines), 12"--(3 lines), 16"--(3 lines) 20"(red, yellow ...