AirLink Combo ZigBee and Bluetooth Gateway connects with max 128 devices a smart alarm system, no ethernet cable required. The APP SmarLife is a friendly easy add sensors. Each connected devices appear in the SmartLife application the pack is included 1*  Hub host 
1* Smoke detector (ZigBee)
1* PIR pet friendly (ZigBee)
1* Door & Windows sensor (ZigBee)
1* Power supply 5V