ITEM NAME:NE555 DC 12V Delay Relay Shield Timer Switch Adjustable ModuleB_kz.Module based on: NE555 chip. Main Chip (NE555) Characteristics 10A, DC 0~30V / max. Simple circuit design. The output can be connected to AC 250V 10A DC 30V 10A. Load: 2200W. The power indicator LED and switch trigger timing indication.