CHF32.70
Philips Hue Secure Contact Sensor
Question about Philips Hue Secure Contact Sensor
Warning: powered by a CR2 battery and not by "mains" as mentioned in the description.
Helpful answer
Exactly right 👍 only battery 🪫
no, the product description says: "Mains operation", but in reality it uses a CR2 battery.
As described, the power supply is via the battery in the contact sensor.