DUNSIHUI 5PCS NE555 Delay Relay Shield Timer Switch Adjustable Module 0 to 10 Second DC 12V NE555 Timer Delay Converter for Automotive Control System Electrical Equipment - NE555-5PCS

• 【OPTIMAL PERFORMANCE】 premium upgrade NE555 Delay Relay Shield Timer Switch with power indicator LED (red) and trigger indication LED (blue) is widely used in equipment-delay to prevent sudden high current which can burn components and devices. 【HIGH QUALITY】 premium NE555 Delay Relay Shield Timer Switch is made of high quality pure copper material which can use for a long time.The timer switch relay module can be adjustable timer delay(default setting:0-10s) and counter clockwise adjustment of potentiometer to increase delay time. 【MAIN SPECIFICATION 】Main Chip:NE555. Operating voltage: 12V DC. the output can be connected to AC 250V 10A and DC 0-30V/max.10A equipment, and the max control equipment is up to 2200W.Increase the potentiometer can increase the delay time.Increase the capacitance C1 can increase the delay time. 【WIDE APPLICATION】The adjustable timer switch relay module is designed with relay module continuous current flow protection. This module is perfect for SCM learning, electronic competition, product development, graduation design and so on.NE555 delay module, which consist of high-precision potentiometer ( adjust the output frequency.), high frequency filter capacitor and with input power indicator, with the relay is energized light . 【PACKAGE & SERVICE】Package Include: 5Pcs x NE555 Delay Relay Shield Timer.Any question Pls fell free to contact us, we will reply you within 24H.And we offer a 12 month warranty.