Features No photoresistor light control technology, detect solar panel voltage to achieve light control. The circuit board adopts the overall low power consumption designed, overcharge and over discharge protection. Lead-acid battery 6V / 12V, lithium iron 12.8V, lithium battery 7V 11V can be used. Welding point with main power switch, welding point with light control switch. Four control outputs, suitable for various solar traffic signals. Specification:Item Type: Solar Strobe Light Controller Charging Current: ≦ 2A Discharge Current Per Channel: ≦ 0.5A Battery: Lead-acid Battery 6V / 12V, Lithium Iron 12.8V, Lithium Battery 7 V11 Vv: Board Size: Approx. 50 x 30mm / 2 x 1.2in Output: MOS tube Scope Of Application: A variety of solar traffic signal lights. Package List: 1 x Module  1 x Manual  Package List 1 x Module 1 x Manual