Inline Dimmer Switch for Lamp, 220-240V Trailing Edge Dimmer, Black | Newupgrade LED Dimmer Switch, Push ON/OFF Rotary Dimming, Ideal for 3-100W Dimmable LED/Ceiling/Incandescent/Halogen Bulbs

I can only echo what a recent reviewer said. These dimmer switches are very good. Easy to wire up, with simple foolproof instructions; effective, smooth, inaudible dimming action and an adjustment to set the minimum brightness. It only works on dimmable LED bulbs (obviously) and has a set wiring order, ie only one end is for the input from the mains, and only the other end is for the output to the LED; you cannot swap. I can only assume that those that have had issues have not followed this instruction. I've now got 3 in the house, 2 have been used for a year - with no issues.

It's well designed and the build quality and manufacturing quality is spot on. It was easy to fit and works perfectly. The adjustment option also has really good range so you can get a dimming range that suits your intended application and is easy to adjust if you change application.

On/off works. Dimmer doesn't work

Bought one of these in 2025 for my desk lamp. Excellent product. Works great and still does. so bought another for the lounge lamp last week. The lamp lit but didn't dim. To be sure I swapped the desk lamp one onto the lounge lamp and all was fine. So I returned the faulty one and bought another. Supplier needs to check their quality control I think. The replacement arrived today and it's all fine. This is a good product with some obvious issues such as no cable grips as previously mentioned in other reviews but it is small and compact and can be discretely hidden when not in use.

Works really well - easy to fit, with a convenient lower light threshold adjustment. Perfect for what I needed to control the output from an overly bright LED side lamp.

It was simple and easy to install and worked well initially. However after a week or so the bulb blew taking out the fuse too, and since then its dimmer doesn't function, it only turns the light on or off

Works well, though I got caught out by the minimum wattage required. I first used a 3W dimmable LED, and while it worked, after around half way through the dial travel, the light started flickering. Using a 6W bulb instead made it work perfectly. The adjuster for minimum brightness is very handy and works well.

Good quality and easy to install. No flicker with LEDs. Read the manual to understand how to set the power parameters. It is important to get your cable length correct to avoid exposed inner cable sheath, and make thin cables thicker with electrical tape so the integrated gripper works.