Home Automation: 12V Relay with LED Display Delay 0.1 seconds to 999 seconds Timer module P1 to P4 - YouTube
Time Delay on Release Relay - 12V DC, 30 Amp
Turn on then auto off Timer off switch relay DC 12V Delay timer Control Relay 10S 30S 1MIN 5MIN 10min 30min later off relay|auto timer|auto offauto on off - AliExpress
Amazon.com: Relé de retardo de tiempo de 10 segundos, 5 pines, 12 V, 30 A, 5 pines SPDT : Automotriz
DC 12v Wireless Remote Control Relay Switch Delay Turn On off Adjustable timer | eBay