DC 5V/12V/24V Delay Timer Relay, Self-Locking Delay On Off Time Switch Super 555 Timer DC 5V/12V/24V (DC24V)

Its actually a great little programmable timer for the price! Here are the directions for use I figured out:Mode 1 is an ON delay when applying 24 Volt (power) to the board and the adj. Pot is used to set the time delay.Mode 2 is the same as above except it is an OFF delay.Mode 3 is toggle Mode. If the board is continuously powered by 24 vdc., touch X1 to + vdc and the relay will pull in and hold. Touch X1 to + Vdc again and the relay will drop out.Mode 4 is an ON delay activated when X1 is momentarily touched to + Vdc supply voltage and then released. The delay is set by the adj. pot.To set the modes, hold the button down until the blue Mode LED stops blinking and turns on solid. Then used the button to toggle through the modes to the one you want and then hold down the button until the LED starts to blink again. Then release the button and you're good to go.Basically, Mode 1 and 2 work when power is applied to the board. Incidentally, if the X1 terminal is momentarily touched to the +Vdc, the time period will reset. Mode 3 and 4 work with power supplied continuously to the board and X1 is used to do the triggering by touching to + Vdc supply voltage momentarily.

So like many have stated on 12 volts the LED will light but the relay does not. Well it turns out that the one I received has a 24 volt relay. So in increasing the voltage to around 18 volts it works fine. In reviewing the listing they claim 5 to 24 volts and the 24 volts is in Parenthesis! So obviously these are NOT universal voltage. I had a 12v relay I swapped out on the board and now it works fine on 12v. Its simple little timer. I like it but deceiving sales.

The media could not be loaded.  Funciona perfecto con 18 v se activa el relé, con 5 v no es posible activar el relé, circuito bien compacto y los led se ven muy bien

Needed timer, bought this unit. There was NO instructions. Scanned QR got info from alibaba. Hooked up and set function. Nice LED light show BUT NO RELAY ACTION! Garbage and a waste of MY time! DONT BUY!

No instructions with the unit, but easy to figure out, working great for a low price.

although the LED would light to indicate the relay was activated, the relay would not change states. the delay trigger function does not work either.

I do not know how to make this relay to give a output, I tried putting 12volts on the input luges, and putting 12 volts on the trigger lug, no output. I ask the builder thee times for help, NO help ! I would not buy again. How does the relay work who know.

Perfect product, tiny design aI like itWorking as it says in 4 modes. Anyone need assistance I am ready to help

Muy buen producto, no trae instructivo pero ahí viene en el anuncio las funciones que trae.