Wifi Zigbee fire alarm

I will sell a new, unused smoke detector. The smart smoke detector is suitable both for ordinary users who want to secure their property cheaply and effectively, and for demanding users who, in addition to security, will use the sensor as an important element of a smart home. Price also with postal service Info email to vicaker@centrum.sk Link to video https:www.wifitermostaty.skwifi-poziarny-hlasic