Delay Timer Relay, TRM01 Self locking On/Off Switch, Relay Module (DC12V)

Impeccable practicability-- There are three working voltage versions of 5V/12V/24V for users to choose from Feature-- Can be arbitrarily set between 0.1 seconds and 120 seconds, parameters can be saved, and the setting contents are not lost when power off Invincible configuration-- Delay ON/OFF, self-locking and trigger delay function,power supply anti-reverse function(prevent damaging the module) Versatile and multipurpose-- Suiable for timer operating equipment, household electrical appliances, lighting delay modification, factory equipment, time delay control, etc