Smart Door and Window Sensor: WiFi Door Sensor for Home Security, App Alerts, Wireless Contact Sensor, Programmable with Smart Life Devices, Compatible with Alexa, Google Assistant (4-Pack) 4-Pack bestsellers_healthUK_Sep2023 ● The individually wrapped printing

● The individually wrapped printing may cause color transfer on rare occasions

making it ideal for those with a weak grasp or reduced hand movement

Clock hands are perfect for clock face from 3~7 inch in diameter

Solar Powered

preventing overvoltage damage and extending the lifespan of your equipment

Smart Door and Window Sensor: WiFi Door Sensor for Home Security, App Alerts, Wireless Contact Sensor, Programmable with Smart Life Devices, Compatible with Alexa, Google Assistant (4-Pack) 4-Pack bestsellers_healthUK_Sep2023 ● The individually wrapped printingSmart Door and Window Sensor: WiFi Door Sensor for Home Security, App Alerts, Wireless Contact Sensor, Programmable with Smart Life Devices, Compatible with Alexa, Google Assistant (4 Pack) The door sensor itself does not include a chime; However, you can program it to some smart voice devices via Smart Life app; When the sensor triggered open or close, the voice devices will perform as an alarm or bell in 10 seconds. You can use the door sensors to