LED flashing light Cat Eye Driveway Pavement Marker Specification Solar Road stud: Size: 104*123*23mm : Weight: 300±30g: Material: Shell-Aluminum; Lens-Polycarbonate : Solar panel: 0.3W 5.5V: Rechargeable Li battery: 3.7V 500mAH : Lighting source: Double side-6pcs or 4pcs Single side-3pcs or 2pcs : Work temperature:-20ºC-80ºC: Waterproof