NE555 Delay Timer Relay Switch Module 0~10S Delay Timer Switch Adjustable Module 5/12V Pulse Generation Duty Cycle for Arduino

High-concerned chemical : None Brand Name : Shunmaii Origin : Mainland China Time Delay Relay Module : Time Relay Shield Module Timer Control Switch Car Relays : Timing Relay Shield Board Monostable Switch Delay Board : Delay Timer Relay Switch Module Delay Timer Switch Adjustable Module : Car Driving Recorder Delay Board