YoLink LoRa Smart Vibration Sensor; Smart Shock, Glass Break, Tamper, Movement Detector, Generator Running, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, Hub is not Included Without Hub healthJAPAN_March2024 Soft and comfortable to wear

Soft and comfortable to wear while you sleep and take care

[Premium Quality] We are using the premium 304 instead of cheap 201 stainless steel for the prongs

BUILT-IN RECHARGEABLE 2000 mAh LITHIUM-ION BATTERY

Zorfeter 4Pcs Pillow Block Bearing - 10mm/0

Polishing and Finishing (25pcs)

YoLink LoRa Smart Vibration Sensor; Smart Shock, Glass Break, Tamper, Movement Detector, Generator Running, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, Hub is not Included Without Hub healthJAPAN_March2024 Soft and comfortable to wearYoLink LoRa Smart Vibration Sensor; Smart Shock, Glass Break, Tamper, Movement Detector, Generator Running, Email SMS Push Alerts, 1 4 Mile Open Air Range, Alexa, Hub is not Included Product Features WHY PAY A MONTHLY FEE, when you can protect it for free? Self monitor and save when you take advantage of our many ways to be notified of alarms and off normal events in and around your home or business. See the "Know Now!" section below for more info!