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💡 Light up smarter, live better — control your vibe from anywhere!
The Lightwave LP21MK2 Smart Dimmer is a 1-gang, stainless steel wall switch that supports voice and app control via Alexa, Google Assistant, and Apple HomeKit. It features easy installation without extra wiring, real-time energy monitoring, and seamless integration into a scalable smart home system through Wi-Fi connectivity. Designed for modern living, it offers multi-way switching capabilities and customizable automations to create perfect lighting moods while optimizing energy use.












| ASIN | B0BFX6KQB4 |
| Actuator Type | Push Button |
| Best Sellers Rank | 12,829 in DIY & Tools ( See Top 100 in DIY & Tools ) 106 in Switches & Dimmers |
| Brand | Lightwave |
| Circuit Type | 1-way |
| Colour | Stainless Steel |
| Compatible Devices | Alexa, Google Assistant, HomeKit, iOS, Android |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Screw |
| Connector type | Screw |
| Contact Material | Stainless Steel |
| Contact Type | Normally Open |
| Contact type | Normally Open |
| Control Method | Voice |
| Control Type | remote |
| Controller Type | Amazon Alexa, Apple HomeKit, Google Assistant |
| Country Of Origin | China |
| Current Rating | 1 Amps |
| Current rating | 1 Amps |
| Customer Reviews | 4.3 out of 5 stars 108 Reviews |
| Included Components | LP21MK2, Optional 10mm Spacer, Mounting Screws |
| International Protection Rating | IP00 |
| Item Dimensions | 30 x 88 x 88 millimetres |
| Item Weight | 0.19 Kilograms |
| Lower Temperature Rating | 5 Degrees Celsius |
| Manufacturer | Lightwave RF |
| Manufacturer Part Number | LP21MK2 |
| Material | Metal, Plastic |
| Model Number | LP21MK2 |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 230 Volts |
| Operating voltage | 230 Volts |
| Operation Mode | ON-OFF |
| Operation mode | ON-OFF |
| Product Warranty | 2 year manufacturer |
| Specification Met | CE, RoHS |
| Switch Type | Kill Switch |
| Terminal | SPST |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 35 Degrees Celsius |
| Wattage | 280 watts |
G**M
Smart home, smart buy
They are easy to install, they replace existing switches, they look great and you can connect them to apple home and control your lights remotely or on timers. I have these installed in my house and they work perfectly. Just be aware that some GU10 blubs do not work with these LightWave switches, but there is a full list of compatible blubs on their website.
P**H
Perfect, easy fit and works a treat.
Perfect replacement for my burnt out lightwave triple gang dimmer. Easy fit, only requires live wire. Sits flush with the wall, comes with a spacer if your socket box is not deep enough, but this switch has shallow electronics, and spacer not required. Perfect would definitely b but again.
R**X
Read lightwave information for there complete range and set up before purchase
Great Products from Light wave Range, amazon prime is a better price than direct purchase from Lightwave (as they charge for Delivery unless you have a discount code from lightwave ? this product will not work with a 2 way lighting unless you purchase a slave switch for one end contact lightwave direct and they will be more than happy to advise and help you set things up, esay set up in the app. phone pr tablet can set multiple feathers and dimmable functions remember you need dimmable bulbs (u do need also a lightwave hub)
S**Y
Does not work and does not connect to mobile app
I purchased the 4 gang device on Dev 24 and have tried all kinds of efforts to make it work and I have now given up. I am an electronic engineer and I should be able to work out how to set it up. However this device is not working. I also contacted the supplier who replace the device and still not working. Basically the some switches work and some don't. Some turn on other lights in the room and the order of switches does not adhere to setup. I never managed to connect to the app, which never manages to find my device. I followed the instructions, which are very limited and also asked the support and can't get it working. Very disappointed with this. Have wasted so much time in the last two months and have now thrown it in the bin. Quite expensive I know, but don't have the patience anymore to deal with this company
A**R
Genuinely brilliant piece of kit
Working on making my whole house smart and I needed great smart switches. These are brilliant I found compatible aurora bulbs dimmable there is a list of compatible bulbs . The light switch is easy to fit. I’ve also incorporated into my home assistant and it works great. Ofcourse these are definitely expensive so I can’t afford to do the rest of my house for quite some time but I think they work really well and I’ve actually had no issues with them at all. So as a brand these are brilliant, I mentioned to a friend also and he fitted his entire house with them too as he was renovating. For those geeks who want to kit out their home with smart lights these are a great buy and later I plan to also have sensors so lights come on and off as and when needed aswell . And I like the fact it’s a clickable button too.
L**S
Lightwave Full control of your home
I now have a large collection of switches for lights and sockets using Lightwave. For me I selected Lightwave for the locking control so that you can lock the buttons on the app and no one can override this. It’s expensive but never let me down. Easy to install as a direct replacement. Negatives: none really apart from the range. I can’t replace everything. For example I wanted a switch to control the boiler so it has a fuse built in but had to go elsewhere for this. That other system works well but can’t lock it. Would thoroughly recommend if you have deep pockets. They are not cheap and if you did your whole house it would be ultra costly. Built up gradually over time they are a good option.
I**S
Brilliant Kit……
LightwaveRF has been around for a long time, love their kit and is very reliable! Just wish they would add a fuse spur to their range and also a basic socket and switch that doesn’t include the automated side as there are some places I want matching sockets and switches but can use the smart switch. Just want everything in my house to match… But a brilliant product!
B**O
Great system
I’m obsessed with these, having searched a long time for a decent smart dimming option that doesn’t mean buying 50+ individual smart bulbs. I started with one small room (office - 1 gang dimmer plus a double socket) and have been slowly converting the whole house. 1 way switching is easy to install yourself with little experience. 2 way gets confusing and I had to get a Lightwave pro to do this - he was excellent and reasonably priced. Overall very pleased with these, which have been up and running a month or so without issue. Quite expensive, but worth it in my opinion.
S**3
Needs technician
Without an electrician, it was almost impossible for me to set it up. I have purchase their hub, and now it works just fine with automation and shortcut rules which I’m designing. I must say, it’s the only smart Dimmer/Switch that does not require neutral wire, others are falsely advertising that their products does not need neutral wire.
A**N
Great product
Works really well .. premium material
W**N
Dies on power outage
I had one switch go completely nuts after 1 year because of a power outage. The second one is also busted after we turned the power off for maintenance. Two buttons do not respond anymore. What a low quality product for such a high price.
Trustpilot
5 days ago
1 week ago