360 Degrees Solar Photoelectric Road Mark Model: PCB-001/PCB-002 Patent No.: ZL2009 2 0175906.1 Product features: Brand: Cityeye Power supply: 3V 315Mw PCB-001-flash/3V 480Mw PCB-002-constant , solar cells (single crystal silicon) Energy storage device: 2*1.2v/1200mAH NI-Mh high Temperature rechargeable battery.