1、With gateway, wireless smart button, sound and light alarm, if any situation occurs at home, press the button to trigger the sound and light alarm, which will be able to remotely push messages to the family. 2、With water immersion sensor, gateway, sound and light alarm, water leakage is detected, and the sound and light alarm will be sounded to let you know in time and take timely measures. 3、Mobile phone data encryption wireless connection, for zigbee wireless data transmission is more stable and efficient. 4、Support wireless Wifi connection, support reliable local device scene linkage, without fear of disconnection, reliable and useful. 5、Support 100+ devices online at the same time, support the interconnection of various products, can link with your friends, and give you a pleasant experience. 1 x Smart Gateway1 x USB Data Cable1 x Instruction1 x Reset Pin1 x Cable Item Type: Smart GatewayMaterial: ABSSize: Approx. 99 x 99 x 22. 4mm / 3.9 x 3.9 x 0.9inWorking Temperature: -10℃ - 55℃Working Humidity: 10%-90%RHPower Interface: DC5V 1A (Micro USB)Wireless Connection: WiFi 2.4GHz 802.11b / g / nCommunication Protocol: For ZigBeeHow to Use: After power on, for ZigBee wireless smart gateway can connect to a variety of smart products support for Zigbee, and it is the bridging and control center of smart homes. By connecting to the wireless network to achieve communication with the cloud and mobile apps, users can easily view and control various smart devices using the for Zigbee protocol at home on the App. The local scene and linkage can also be realized when the network is disconnected.