... environment friendly, low carbon exhaustion and energy savingOriginal German solar controller usedClass A solar panel used, converting efficiency > 16%Time-phased dimming available ... , F Mark, Not be Covered by Insulating Matting or Similar Material) Model No.: SPT-04B12 9W (9*1W/LED Module), ... F Mark, Not be Covered by Insulating Matting or Similar Material Model No.: SPT-04B12 12W (9*1W/LED Module) ...