Turn on the S1 switch ,the lamp on. and keep working until turn off.
Advanced 12V AC/DC Time Delay Relay for Delayed Activation or Deactivation
Delay Relay Switch Time Delay Relay Turn On/Turn Off Delay Circuit Normally Open
Delay Relay Module Home Renovation Normally Open Open Time DC 12V Normally
Delay Relay Normally Open Off Switch On/Turn Open Time DC 12V Normally 13mA
Module Delay Relay Off Switch On/Turn Open Time ?DC 12V Normally Accessory
