Super bright 3 1/2 red LED display readable in direct sunlight with automatic display brightness adjustment. (with provision for external adjustment). power consumption less than 1Watt at max brightness. less than 0.1 Watt at normal brightness. L : 55.1mm W:23.4mm D: 14.22mm Operating supply voltage : 4.75 V to 5.25 V input voltage range +/- 2V status: NOS ( New old stock) in unopened box's RoHS : No. ideal for arduino / pi interfacing. Front bezel also available see : DMS-BLZ2-C