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💡 Dim your lights, not your vibe — control brilliance with zero buzz!
The iolloi LED Dimmer Switch 2 Gang is a sleek, retrofit-friendly rotary dimmer designed for modern LED lighting. It supports up to 100W of dimmable LED bulbs without requiring a neutral wire, delivering flicker-free, silent dimming with smooth soft-start functionality. Featuring dual 2-way control, advanced safety protections, and CE/RoHS certification, it’s the perfect upgrade for energy-conscious professionals seeking customizable ambiance and reliable performance.














| ASIN | B08BJSTGY9 |
| Actuator Type | Rotary |
| Best Sellers Rank | 3,530 in DIY & Tools ( See Top 100 in DIY & Tools ) 21 in Switches & Dimmers |
| Brand | iolloi |
| Circuit Type | 2-way |
| Colour | 2 Gang & Bakelite |
| Compatible Devices | led bulbs |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Clamp |
| Connector type | Clamp |
| Contact Material | Copper, Brass |
| Contact Type | Normally Open |
| Contact type | Normally Open |
| Control Method | Remote |
| Control Type | variable dimming |
| Controller Type | Push Button |
| Country Of Origin | China |
| Current Rating | 10 Amps |
| Current rating | 10 Amps |
| Customer Reviews | 4.3 out of 5 stars 2,994 Reviews |
| International Protection Rating | IP65 |
| Item Dimensions | 8.6 x 8.6 x 2.3 centimetres |
| Manufacturer | iolloi |
| Manufacturer Part Number | ID-UK20FW12T |
| Material | Bakelite |
| Model Number | ID-UK20FW12T |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Number of Positions | 2 |
| Operating Voltage | 240 Volts |
| Operating voltage | 240 Volts |
| Operation Mode | Manual |
| Operation mode | Manual |
| Specification Met | CE |
| Switch Type | Rotary |
| Terminal | Screw |
| UPC | 753272003131 |
| Unit Count | 1 count |
| Wattage | 3 watts |
D**R
Smooth, Silent, and Perfect for LED Lighting
Finding a dimmer that actually works well with modern LED fixtures can be a challenge — especially when the lights aren’t standard bulbs but stylish tube designs. This one, however, performs flawlessly. No flicker, no buzzing, and the dimming is incredibly smooth — from full brightness right down to off. One thing to note: if your wall box is a standard square pattress, you’ll likely need a 10mm spacer to give the dimmer enough depth to fit comfortably. In my case, there was quite a bit of wiring behind the switch, so the extra space made installation much easier. I’ve now installed three of these (one dual-gang and two singles), and all work perfectly. Excellent quality, reliable performance, and great value. Highly recommended.
S**L
A Simple No Nonsense Dimmer Switch At A Good Price
This dimmer smith is quite good quality plastic and comes in brilliant white. The instruction manual guides you to fitting the switch yourself but as most do, it recommends an approved electrician or someone with electrical knowledge to oversee the installation. The kit comes with short screws and my only 'gripe' would be that you may need deeper screws depending on the backing box. The light comes with press in covers for the screws, which is a nice cosmetic touch. The switch has a 'memory' ( which I have never encountered before), which allows you to set the level of the lowest light setting, so as the light quality can be appropriate! If you follow the instruction leaflet, it is just 8 simple click s ( on /off) to set the process. When switched on, the light comes on immediately. The dial knob is solid and well attached to the body of the switch. The light switch does not 'hum' like some I have at home. There is no earth cable required in wiring as the product is all plastic. More than happy to recommend this product for cost, easy installation and operation.
W**L
Good with LED bulbs
Works well with multiple LED bulbs, no flickering and can be set from dimmed at a preset minimum up to the maximum brightness. On the downside the instructions are confusing. To save time it would have been helpful if the default settings stated at the beginning that the default setting is Trailing Edge which is the preferred setting for LED bulbs. Also, I found the factory reset was unnecessary on first installation so the confusing reference to CONFIGURATION could be skipped. Do not over tighten the centre nut, it causes the on off switch to distort causing it to stick when switching it on or off. Just over finger tight is enough. Overall, it is a good device and a pleasing purchase.
J**L
Simplicity and quality at an excellent price
This was purchased to replace a dimmer from a different vendor. We needed LED leading edge compatiblity for the for the room. This switch is excellent quality, the instructions are very clear and simple. The ability to adjust the range is brillant and really simple to do. Worked perfectly , first time. Good range of dimming and zero flicker at any point on the brightness scale. Will certainly order more of these as needed as its easier to replace the whole switch than the actual dimmer module inside the switches which is what I had been doing.
M**N
Excellent dimmer switch
Very reasonable price, good quality and works well. Direct replacement for a dual dimmer that failed. Easy to install and no irritating 'buzz' that some dimmers still do, even after all these years. And somehow, the lights that it controls seem brighter on full power than the old one. On my kitchen lights, turn it down far enough and they will all go off using the dimmer not the switch. And if you judge it right, you can get just one of the eight to come on before they all kick in. Very happy with it!
L**S
Excellent Dimmer
The dimmer, functionality wise, is perfect. Easy to install and only took a couple of minutes to configure for the minimum dimness setting. Power on delay is barely a second and there is no buzzing or any kind of noise when dimming, and the bulbs don't flicker at all either. It does its job perfectly. Five stars for performance. The reason I docked a star off is that my particular sample had a small discoloured mark on the front shell in a visible area, which detracts from the overall appearance, which is a shame. EDIT: Docked a further star later on after finding more 'unfinished' parts of the shell. The switch itself has an edge that looks fairly rough compared to the rest of it, and sometimes when spinning the dial it feels a bit loose (usually accompanied by a slight mechanical noise when that happens). Again, unsure if I've got a dud or not. I wouldn't trouble Amazon over it but I'd be interested if the seller would agree on whether it sounds normal or not.
C**R
Works wit dimmible led, no flickering
Previously I purchased well-known led light dimmer brands from Screwfix, I think call Vario or something like that. When I install some dimmable LED lights the one that I got from screwfix always gives a light buzzing noise and sometimes lights flickers, no matter how many times I reset and set the dimer. After installing this dimmer, I could dim all the lights all the way up or down and there's no flickering. I tried both dimmers with the same LED lights setup other led dimmer buzzing and flickering but this dimmer is fine, no buzzing noise no flickering. It's a cheaper than other leading brand, and does the job much better. Do not forget to reset the dimmer after first install. You will need to push dimmer switch 7 times in 1second intervals untill light goes up and down then push 3 times to set dimming light to lowest point. recommended. Update : i just notice price jumped from £14 to £24 in 2 weeks of purchasing this product which makes it extremely expensive.
M**K
Simple and easy to install
Easy to install and dims Led bulbs without any flicker
T**B
Works great!
Much better than the old one (which was installed by a professional electrician). No flickering, no buzzing.
M**I
Fonctionne mais
Le produit fonctionne mais la variateur n'est pas stable sur des LED, ça "flash" tous les 30 secondes. Je vais le renvoyer
H**N
Great
Great
U**E
Förhöjningsringram
Bra att veta, att det finns plats för dimmrarna ,fick köpa till en förhöjningsringram sen blev det ok.
A**R
JÄTTEBRA.
Fungerar bra och har alla nödvändiga inställningar. Bra med att trycka på ratten för att starta dimmern.
Trustpilot
1 day ago
1 month ago