SUPERNIGHT DC 5V-24V 5A PIR Motion Activated Sensor Switch with DC Coupler Cable for LED Strip Light

Worked great in my safe

I bought the first one to dim my led console light which is 12v dc worked great . So I decided to try it on one of my 150w led follow spots, so it wouldn’t be so bright in smaller venues (At 100’ away it’s blinding to performers) it works fantastic! Now it’s not like a incandescent or quartz light that dims down in a smooth curve ! it dims down from full on downtown about 15% then shuts led off but that’s the case on all dimmable led lighting fixtures. Even with that it’s a definite and noticeable output difference of my follow spot. So if your looking to have a little more control of your led fixtures I think this could work for you

Needed this in a pinch to dim a prop running on batteries. I was able to pull off the sturdy metal housing to reduce the size quite a bit so it would fit in the base of a lantern with a battery pack. Everything still functioned fine.

Purchased two and connected them to 2 branches of a 24v 400 watt power supply. One branch has a reported 120 watts of 24v LEDs, the other has 2, 120 watt lines of the same LEDs. Both branches reach full brightness with the dimmers at about 75% on the dial. They dim down significantly and smoothly all the way to about the last 15% on the dials and I'd say about about 15% brightness from max as well, before shutting off. I see no flicker at any setting. Both dimmers are working the same to my eye. The wiring to each branch of LEDs is not equivalent, probably 10, 20, and 30 feet respectively from the dimmers with another 4 feet back to the power supply, but heavy gauge wire throughout. So far this set-up is working perfectly for me. I've had this running at about 50% for a good 2 hours, and full for shorter periods, and felt no heat from the dimmers and dead silent. Certainly recommended right now. I'll update if anything fails in the future.

was trying to use 3-4amp power source- didnt work at all, when I used a 5 amp specific power source it worked, and works well

Ok I'm not an electronics expert. I built a drag race practice tree off of dc truck blinkers. Long story short they were insanely bright to the point it felt like flash burn after using it for a while. Got this dimmer since it was like 10 bucks. Figured why not. I was a little disappointed when I got it because it controlls through the ground not the hot side. This is what it is, my tree was controlling the power side. So I kinda gave up on it. Then I had an epiphany and figured out how to isolate the common ground the lights use which is the entire frame and was able to get this to work which was exciting. After messing with it it really does act like it's just a rheostat. But I did use my voltmeter and it says its operating at 1.20k hz. So that I think means it is indeed pwm. But across the terminals the volt meter reads just like a rheostat with battery voltage at max setting and it just drops voltage down to about 3 volts before the LEDs just shut off due to low voltage. For me the sweet spot on brightness is right in that very bottom range. My understanding is that with pwm you should still be getting battery voltage across the terminals and that the frequency should be changing not the voltage. But regardless it does get the job done. I may try another brand and see how it acts.

It worked fine out of package with the preset default delay within the specs. I purchased this because it was stated as adjustable delay from 2 seconds to whatever, I forget, but out of package it was 20 seconds. When I popped the back off to turn the pot down closer to the 2 second interval the delay bounced all over the place randomly. I would say it is just cheap and even though it says it is adjustable, to not mess with it. As is, it is what you get and it probably would have worked. Four stars would have been generous, but three is fair. The product works but they don't really expect you to adjust it. I'll take away the generous star because if you advertise the adjustment it ought to work. The next week I purchased the sensky, it cost a couple dollars more, but it did come in a retail package, rather than in plain baggy. I would guess it was probably a "second" since there are many variations listed on amazon and many prices. Most products have the same description with only slight differences in the specs. One of the products does say to not set at minimum delay because it will malfunction, so I gave one star back because it might have been this product, so I'll take fault and not return. It still works and i'll rebuild it later with a better part. I'm not knocking this product, but i did expect a little better out of this since supernight is billed as the bestselling on amazon in many of the LED components. It works, but just wasn't reliable for adjustment. If you want a simple motion detector switch to fire up an LED project and at the pricepoint by all means, buy this with out hesitation. If you want something that has reliable delay spend a little more, but read the reviews and compare those to what the specs advertise before purchasing.

Nothing like an exhaust fan for a laser engraver. However, when that fan evacuates so much air to the point of lowering the temperature in the shop, it's gotta slow down a bit. This dimmer did just that. Full adjustability from barely running to sucking the doors on the shop open, the dimmer works perfectly at any of those speeds. No more smoke in the shop, and it adjusts fan speed to anything in between.