expired
Kasa Smart Motion Sensor & Dimmer Switch
$18
$35
48% off
Amazon
Missed This Deal? Get alerts when similar deals are posted.
AmazonDeal Details
Amazon has Kasa Smart Motion Sensor & Dimmer Switch (ES20M) for $18.23. Shipping is free with Prime or on $35+ orders.
Thanks to Deal Hunter phoinix for finding this deal.
Thanks to Deal Hunter phoinix for finding this deal.
About this item:
- Motion-Activated Lighting: Automatically turns lights on with motion and off after a preset time
- Daylight Sensor: Prevents lights from turning on during daytime
- Smart Dimming: Adjustable brightness from 1% - 100% with custom schedules
- Voice & App Control: Works with Alexa, Google Assistant, SmartThings, and the Kasa app
- Away Mode: Random on/off scheduling for home security
- Safe & Reliable: UL certified; supports up to 300W incandescent or 150W dimmable LED
- Smart Ecosystem: Integrates with other Kasa devices for automation
- Easy Setup: App-guided installation; requires neutral wire and 2.4 GHz Wi-Fi
Editor's Notes
Written by qwikwit | Staff- Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
- If you're not a student, there's also a free 1-Month Amazon Prime trial available.
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Amazon has Kasa Smart Motion Sensor & Dimmer Switch (ES20M) for $18.23. Shipping is free with Prime or on $35+ orders.
Thanks to Deal Hunter phoinix for finding this deal.
Thanks to Deal Hunter phoinix for finding this deal.
About this item:
- Motion-Activated Lighting: Automatically turns lights on with motion and off after a preset time
- Daylight Sensor: Prevents lights from turning on during daytime
- Smart Dimming: Adjustable brightness from 1% - 100% with custom schedules
- Voice & App Control: Works with Alexa, Google Assistant, SmartThings, and the Kasa app
- Away Mode: Random on/off scheduling for home security
- Safe & Reliable: UL certified; supports up to 300W incandescent or 150W dimmable LED
- Smart Ecosystem: Integrates with other Kasa devices for automation
- Easy Setup: App-guided installation; requires neutral wire and 2.4 GHz Wi-Fi
Editor's Notes
Written by qwikwit | Staff- Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
- If you're not a student, there's also a free 1-Month Amazon Prime trial available.
Community Voting
Deal
Score
+45
Good Deal
Bad Deal
Top Comments
I had tons of problems with this model the most, ES20M. You check Reddit and you will find others with issues.
All the 100 switches were happier when they are on their own vlan. The vendor even told me to do that. I created a vlan just for one of the ES20M and it still locked up. Make sure your WiFi is only 2.4 for them.
Community Reviews
The Kasa ES20M motion sensor switch is best for hands free lighting and automation, especially in bathrooms, closets, hallways, laundry rooms, garages, and kitchens. It can trigger lights or fans on motion, then dim or shut them off on a timer, with useful schedules like lower brightness at night and full brightness in the morning. The convenience angle comes through clearly, and the price is often compared favorably with other motion or dimmer switches. The main concern is reliability, with repeated reports of lockups, fail closed behavior, and firmware problems that sometimes require a breaker reset or replacement.
Common Questions (5)
AI-generated summary based on comments from the community. Updated ago
Join The Conversation
Share your experience with the Slickdeals community
Share information with the community. Please follow our Community Guidelines and be kind!
62 Comments
Sign up for a Slickdeals account to remove this ad.
Another example of fire hazard and breaking code. If the switch fails it needs to fail open and not closed. These switches have locked up and failed in a closed state. If you have a faulty or damaged light or whatever load connected to your circuit you must be able to manually open the circuit. This could also be a human on the load side. It would be horrific if someone is touching the load side and you cannot use the switch to turn off the power. You would have to find the breaker to save the person..
They had a replacement firmware right away, which shows they knew it is an issue. I have no clue why they don't push this firmware to everyone. They remotely updated my switches based on MAC. Another thing that bothers me is the firmware version. They are so lazy the reused the same minor number and the app does not tell you the build number. So in the app you do not know the real build. I thankful took a screenshot to know what build improved my switches.
v1.1.6 (Build 251212, Rel.094746).
I will not buy this brand of switches for my next house. Too many issues, they keep removing features, and staff.
Look into mmWave sensors. Everything Presence has several good ones. I am going down that rabbit hole of Home Assistant and these sensors. Once it is setup, it is exactly what I wanted. I was hoping Kasa was invested enough to do this out of the box and an all-in-one switch. These sensors are great, I use PIR to turn on and mmWave to keep the lights on.
Another example of fire hazard and breaking code. If the switch fails it needs to fail open and not closed. These switches have locked up and failed in a closed state. If you have a faulty or damaged light or whatever load connected to your circuit you must be able to manually open the circuit. This could also be a human on the load side. It would be horrific if someone is touching the load side and you cannot use the switch to turn off the power. You would have to find the breaker to save the person..
Sign up for a Slickdeals account to remove this ad.
You can get better network traffic by having Kasa vLan. I even created a vLan just for this model. Ultimately I needed them to push a stable firmware build.
Some of my spaces I stopped using their app and sensors. I got some Everything Presence sensor and added them to HA. Shelly is looking nice right now. Lol
I had tons of problems with this model the most, ES20M. You check Reddit and you will find others with issues.
All the 100 switches were happier when they are on their own vlan. The vendor even told me to do that. I created a vlan just for one of the ES20M and it still locked up. Make sure your WiFi is only 2.4 for them.
I only have one of the motion sensor smart plug, and its still in the box haha
They had a replacement firmware right away, which shows they knew it is an issue. I have no clue why they don't push this firmware to everyone. They remotely updated my switches based on MAC. Another thing that bothers me is the firmware version. They are so lazy the reused the same minor number and the app does not tell you the build number. So in the app you do not know the real build. I thankful took a screenshot to know what build improved my switches.
v1.1.6 (Build 251212, Rel.094746).
I will not buy this brand of switches for my next house. Too many issues, they keep removing features, and staff.
It's interesting you mentioned the updated v1.1.6 Build 251212 as I just got a firmware update notice, and it looks like they're still pushing an older build for whatever reason. My app says the build is 250522 Rel. 210254.
Sign up for a Slickdeals account to remove this ad.
How are you liking Unifi? I am liking it but spend days doing firewall rules with Adguard, HA, and things...
No issues or less issues with the other models. The real pain was this model.
Join The Conversation
Share your experience with the Slickdeals community
Share information with the community. Please follow our Community Guidelines and be kind!