Smart Wi-Fi SirenSmart Wi-Fi Siren Alarm 120dB with Multiple Sound Selection, Home and Office Automation Security AlarmENERJ Smart Wi-Fi Siren Alarm works with Battery and Mini USB PortThe Alarm System works well with Alexa Echo and Google HomeWireless auto alarm siren is equipped with up to 120db loud informing voice which can attract the attention of users immediatelyDevice can be paired with anything like a Motion Sensor, Camera, Window Sensor or any other device which can trigger AlarmEasy installation, need to be very near to hub when pairing the sensorTechnical Specifications:It supports Bluetooth: V4.1 and above.It is IPX4 Waterproof.It can be connected with 2 devices.It has CVC 6.0 noise reduction.It charges fast and has play time up to 4 hours.It comes with a power display and inbuilt Mic.It has auto connect features and has automatic sleep feature.Product Size: 36*5*2.5cmEva box Size: 11*6.5*3.5cmColorbox size: 11.5*8*5cm:Features: Smart Home Automation, Battery-Powered or Ca