The mydlink home siren is a smart audio warning device with 6 different sounds built in its easy to set up and manage with the mydlink home app and connects via the mydlink home connected home hub peace of mind instant audio alarm with volume up to 110 db when a linked mydlink home sensor is triggered equipped with six different sounds door chime armdisarm intruder alarm fire alert ambulance and police car sounds you can customise your smart home by selecting the appropriate s