# Long press Dimming with Shelly

**URL:** <https://community.homey.app/t/long-press-dimming-with-shelly/108207>\
**Category:** Devices\
**Created:** [April 14, 2024, 11:38am UTC](https://community.homey.app/t/long-press-dimming-with-shelly/108207 "2024-04-14T11:38:51Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![stebl](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/stebl/32/80078_2.png) [@stebl](https://community.homey.app/u/stebl)\
**Post date:** [April 14, 2024, 11:38am UTC](https://community.homey.app/t/long-press-dimming-with-shelly/108207/1 "2024-04-14T11:38:51Z")

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Hello,

I need help before I’m buying my smart home components.  
I want to use Nanoleaf smart downlights.  
I want a wall switch without battery which turns the light on and off on simple click and dimms the smart lights as long as the switch is pressed.  
I was thinking about using Shelly modules in detached mode (maybe the z-wave ones).  
Is it possible to implement the long press dimming in Homey and does it work without big latencies?  
Should I use the Shelly i4 or the Shelly Dimmer 2 for this use case? What is the better solution? How would I realize it with i4 vs Dimmer 2? For i4 I suppose I have to detect the long press and starting dimming with a timer. But is it possible to detect when the longpress ends?  
For Dimmer 2 I suppose the performance is much better. But do I detect the change of the dimmer value in real-time and can I copy it to the smart bulbs? Does it work with wi-fi and z-wave in the same way?  
If I want to use the new Shelly wall display maybe the dimmer 2 is the better solution because then I can also dim the lights on the display?

It’s so difficult to find out what works together. Any tips?

Many thanks in advance!

Stefan