JK12-A 12V Time Adjustable Relay Module with LED Digital Tube Dynamic Display Countdown Single Chip Relay

12V Time Adjustable Relay Module with LED Digital Tube Dynamic Display Countdown Single Chip Relay
JK12-TIMER-RELAY
FEATURES
• Designed with a LED display that will show the delay time
• There is a wide time range, the delay time is adjustable from 1 second to 99 seconds, or 1 minute to 99 minutes; use a jumper to select second/minute
• Normally the module will start to work when triggered, if you need module to work immediately after power on, connect 2 terminals of trigger
• Trigger to connect, and will disconnect after delay time; if trigger during delay time, it will disconnect immediately
• It is a timer relay countdown off module with high precision, stable and reliable performance