PRODUCT INFORMATION
1. What is the Wemo Smart Light Switch 3-Way, WLS0503?
2. What is the warranty of the Wemo WLS0503?
3. Does the Wemo WLS0503 have a Connected Equipment Warranty (CEW)?
4. Does the Wemo WLS0503 support the Wemo app?
5. Does it support Apple® HomeKit®?
6. Does it support Amazon Alexa?
7. Does it support Google Home™?
8. Does it support Amazon Wireless Simple Setup (WSS)?
9. Does the Wemo WLS0503 work with IFTTT®?
10. Is the Wemo WLS0503 MFi-certified?
11. Does the Wemo WLS0503 support Wemo accounts?
12. What are the package inclusions?
13. Does it require a subscription to use the Wemo WLS0503?
14. Does it require a control hub to use the Wemo WLS0503?
15. Does the Wemo WLS0503 support Near Field Communication (NFC)?
16. Is the Wemo WLS0503 Thread-certified?
HARDWARE INFORMATION
1. What are the dimensions of the Wemo WLS0503?
2. What is the maximum wattage?
3. What is its electrical rating?
4. Does this work with metal cover plates?
5. Does this require a neutral wire?
6. Does this require a ground wire?
SETUP AND CONFIGURATION
1. How do I install the Wemo WLS0503?
2. How do I set up the Wemo WLS0503 using the Home app?
3. How do I identify my existing switches?
4. Can the Wemo WLS0503 replace a 4-way switch?
5. What should I do if I’m having trouble with wiring the Wemo WLS0503?
COMPATIBILITY
1. Does the Wemo WLS0503 support WiFi?
2. Does it replace my existing single-pole and 3-way switches?
3. Does it support most light and bulb types?
4. Does it work with Google Assistant™?
5. Can I use the Wemo WLS0503 with my Android™ phone or tablet?
6. Can I use the Wemo WLS0503 with my iPhone® or iPad®?
FUNCTIONALITY
1. Can I use the Wemo WLS0503 while I am not at home?
2. Does the Wemo WLS0503 provide any power reporting functionality?
3. How do I update the firmware on my Wemo WLS0503?
4. How do I check the firmware version on my Wemo WLS0503?
5. What does the status light on the Wemo WLS0503 indicate?
1. What is the Wemo Smart Light Switch 3-Way, WLS0503?
2. What is the warranty of the Wemo WLS0503?
3. Does the Wemo WLS0503 have a Connected Equipment Warranty (CEW)?
4. Does the Wemo WLS0503 support the Wemo app?
5. Does it support Apple® HomeKit®?
6. Does it support Amazon Alexa?
7. Does it support Google Home™?
8. Does it support Amazon Wireless Simple Setup (WSS)?
9. Does the Wemo WLS0503 work with IFTTT®?
10. Is the Wemo WLS0503 MFi-certified?
11. Does the Wemo WLS0503 support Wemo accounts?
12. What are the package inclusions?
13. Does it require a subscription to use the Wemo WLS0503?
14. Does it require a control hub to use the Wemo WLS0503?
15. Does the Wemo WLS0503 support Near Field Communication (NFC)?
16. Is the Wemo WLS0503 Thread-certified?
HARDWARE INFORMATION
1. What are the dimensions of the Wemo WLS0503?
2. What is the maximum wattage?
3. What is its electrical rating?
4. Does this work with metal cover plates?
5. Does this require a neutral wire?
6. Does this require a ground wire?
SETUP AND CONFIGURATION
1. How do I install the Wemo WLS0503?
2. How do I set up the Wemo WLS0503 using the Home app?
3. How do I identify my existing switches?
4. Can the Wemo WLS0503 replace a 4-way switch?
5. What should I do if I’m having trouble with wiring the Wemo WLS0503?
COMPATIBILITY
1. Does the Wemo WLS0503 support WiFi?
2. Does it replace my existing single-pole and 3-way switches?
3. Does it support most light and bulb types?
4. Does it work with Google Assistant™?
5. Can I use the Wemo WLS0503 with my Android™ phone or tablet?
6. Can I use the Wemo WLS0503 with my iPhone® or iPad®?
FUNCTIONALITY
1. Can I use the Wemo WLS0503 while I am not at home?
2. Does the Wemo WLS0503 provide any power reporting functionality?
3. How do I update the firmware on my Wemo WLS0503?
4. How do I check the firmware version on my Wemo WLS0503?
5. What does the status light on the Wemo WLS0503 indicate?
PRODUCT INFORMATION
1. What is the Wemo Smart Light Switch 3-Way, WLS0503?
The Wemo Smart Light Switch 3-Way, WLS0503 supports both single-pole and 3-way configurations. Compatible with neutral wiring used in most homes, it helps eliminate guesswork and provides peace of mind in a smart lighting solution. The Wemo WLS0503 is Thread-certified, built on the latest and greatest technology, and works exclusively with Apple HomeKit. To learn more about this product, click here.
2. What is the warranty of the Wemo WLS0503?
The Wemo WLS0503 has a 2-year limited warranty.
3. Does the Wemo WLS0503 have a Connected Equipment Warranty (CEW)?
No.
4. Does the Wemo WLS0503 support the Wemo app?
No. The Wemo WLS0503 cannot be used with the Wemo app.
5. Does it support Apple® HomeKit®?
Yes. The Wemo WLS0503 is designed to be used only with Apple HomeKit.
6. Does it support Amazon Alexa?
No.
7. Does it support Google Home™?
No.
8. Does it support Amazon Wireless Simple Setup (WSS)?
No.
9. Does the Wemo WLS0503 work with IFTTT®?
No.
10. Is the Wemo WLS0503 MFi-certified?
No.
11. Does the Wemo WLS0503 support Wemo accounts?
No.
12. What are the package inclusions?
The package contains the following:
- Wemo WLS0503
- Setup guide
- Cover plate
- Jumper wire and wire nut
13. Does it require a subscription to use the Wemo WLS0503?
No.
14. Does it require a control hub to use the Wemo WLS0503?
The Wemo WLS0503 requires a hub if you will use the Thread technology to control it when away from home. For a list of compatible Apple Home hub devices, click here.
15. Does the Wemo WLS0503 support Near Field Communication (NFC)?
Yes. It supports NFC for setup purposes only.
16. Is the Wemo WLS0503 Thread-certified?
Yes.
HARDWARE INFORMATION
1. What are the dimensions of the Wemo WLS0503?
The Wemo WLS0503 has the following dimensions:
- Width - 3.3 in
- Height - 5 in
- Diameter - 1.7 in
2. What is the maximum wattage?
It has a maximum wattage of 600W incandescent resistive load.
3. What is its electrical rating?
The input rating is 120V~ / 15A / 60Hz / 1800W while the output rating is 120V / 600W Max.
4. Does this work with metal cover plates?
No.
5. Does this require a neutral wire?
Yes.
6. Does this require a ground wire?
Having a ground wire is not required. However, it is highly recommended for safety.
SETUP AND CONFIGURATION
1. How do I install the Wemo WLS0503?
To install the Wemo WLS0503, you need to be familiar with electrical work. Otherwise, contact a professional electrician. For complete instructions, click on either link:
How to install Wemo Smart Light Switch 3-Way, WLS0503 to replace a single-pole switch
How to install Wemo Smart Light Switch 3-Way, WLS0503 to replace an existing 3-way switch
2. How do I set up the Wemo WLS0503 using the Home app?
For step-by-step instructions, click here.
3. How do I identify my existing switches?
To identify your existing switches, refer to the following:
- If one switch controls one light, it is a single-pole switch.
- If two switches control the same light, they are both 3-way switches.
- If three switches control the same light, one of them is a 4-way switch. The other two are 3-way switches.
4. Can the Wemo WLS0503 replace a 4-way switch?
No.
5. What should I do if I’m having trouble with wiring the Wemo WLS0503?
Electrical wiring is best done by a professional electrician. It is highly recommended to consult one.
COMPATIBILITY
1. Does the Wemo WLS0503 support WiFi?
No. The Wemo WLS0503 is compatible with Thread Technology and supports Bluetooth® Low Energy connections.
2. Does it replace my existing single-pole and 3-way switches?
Yes.
3. Does it support most light and bulb types?
Yes.
4. Does it work with Google Assistant™?
No.
5. Can I use the Wemo WLS0503 with my Android™ phone or tablet?
No. The Wemo WLS0503 is designed for use only with Apple HomeKit and can only be set up and used with HomeKit-compatible devices. For a list of HomeKit-compatible devices, click here.
6. Can I use the Wemo WLS0503 with my iPhone® or iPad®?
Yes, as long as your iPhone or iPad supports HomeKit. For a list of HomeKit-compatible devices, click here.
FUNCTIONALITY
1. Can I use the Wemo WLS0503 while I am not at home?
The Wemo WLS0503 can be used remotely when paired with an Apple Home hub device. For information on what devices can be used as HomeKit hubs, click here.
2. Does the Wemo WLS0503 provide any power reporting functionality?
No.
3. How do I update the firmware on my Wemo WLS0503?
The Home app controls the firmware update of the Wemo WLS0503. By default, the Home app sets the firmware update to automatic but you can also change it to a manual firmware update.
4. How do I check the firmware version on my Wemo WLS0503?
Using the Apple Home app, press and hold on the device tile for the Wemo device to access the firmware information.
5. What does the status light on the Wemo WLS0503 indicate?
To know the status light behavior of your Wemo WLS0503, refer to the table below:
| Color | Activity | Description |
| White | Blinking | The Wemo has not been set up. Press and release the button on the light switch to put it in setup mode. |
| Red | Fast blinking (about four times per second) | The Wemo is overheating and will turn OFF automatically. It should be left OFF and allowed to cool down for 5 minutes. |
| Blue | Blinking | The Wemo is in setup mode. |
| Solid (30 seconds) | The Wemo has successfully connected. | |
| Green | Fast blinking (six times) | The Wemo has been detected by the Home app. |
For additional details, click here.
