Purchase Specifications for radar speed signs

12-inch LED Digits	15-inch LED Digits	18-inch LED Digits
12-inch digit radar speed sign, solar-powered 12-inch digit radar speed sign, battery-only powered 12-inch digit radar speed sign, AC-powered	15-inch digit radar speed sign, solar-powered 15-inch digit radar speed sign, AC-powered 15-inch digit advisory speed sign, solar-powered 15-inch digit advisory speed sign, AC-powered	18-inch digit radar speed sign, solar-powered 18-inch digit radar speed sign, AC-powered