NE555 time delay relay dc 12v conduction trigger timing delay relay module O Bj

ITEM NAME:NE555 time delay relay dc 12v conduction trigger timing delay relay module O Bj.Module based on: NE555 chip. Main Chip (NE555) Characteristics 12V Conduction delay relay module. the power indicator LED and switch trigger timing indication LEDs. Delay module: delay connect module.