LED electronic fluorescent screen, phosphor display screen Product specification*Material: armoured ... *50, 80*60 (optional)*Power: AC110V-240V/DC12V, 0.5-2A*LED life: 50,000-100,000h* power supply sources: AA batteries ... , remote controller(optional ), fluorescent pens *Flashing style: around 30 kinds LED flashing modes and flashing speed adjustable* More detail information please ...