BroadLink DS4 Wireless Smart Security Door Open Contact Sensor Compatible
BroadLink Smart Door Sensor DS4 FC(S3 Hub Required) (AAA*2 battery not including)Detects the opened closed status of door window and triggers devices scenes for home automation.It also monitors unauthorized entries alerts you on phone with notifications.• Activate control upon detection; Works other brands in Alexa IFTTT APP;• Push entries;• Changeable low notification.ModelDS4 FCBatteryAAA*2 (Not Including) CertificationContains FCC ID: