1 Channel Delay Cycle Timing Circuit Switch 4 Button Digital Tube Timer Control Relay with LED Display Electronic Components

High-concerned chemical : None Type : Module Origin : Mainland China Condition : New Delay Power Off Board : Disconnect Trigger Circuit Switch Delay Cycle Timing Circuit Switch : Digital Tube Timer Control Relay Relay Module Times Delay Board : Time Delay Cycle Timing Circuit Switch Board Cycle Delay Timing Timer Relay : Programmable Relay Board