1. This switch can relize feedback function only when it works with Geeklink Remotebox 3S or Thinker.
2. If you need Single Fire Switch,pls leave messages when you place order,or we will ship out Zero Fire switch.
3. We will ship out white color as default. If you need black color, please leave messages.
Feedback Function( only Geeklink switch have):
You can see the real feedback of your switch by mobile app, then you will know your home light is ON or OFF realtime.
Zero Fire Switch:
Please check in your home there is Zero Live cable inside the cartridge. It supports less than 1500W lights except capacitive load light like fluorescent lamp.
Single Live Switch:
1 Gang feedback switch supports less than 200W. While for less than 20W light, you need to connect a capacitor in parallel at both ends of the lamps.