This optional available power supply allows external powering (220 V) of your Popp Smoke Sensor (ZWPOPE004001).
Plug the terminal in the connection jack on the backside of the device and then connect red wire with plus pole of your Popp mains adapter and the blue one with minus pole. Now you can plug the Load- and the neutralwire into your Popp mains adapter and the device is ready to use. Nevertheless please do not remove the battery.