WiFi Door Window Vibration Sensor Alarm App Support instax Portable Bluetooth Speakers Wireless speakers

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WiFi Door Window Vibration Sensor Alarm App Support instax Portable Bluetooth Speakers Wireless speakersSmart Wireless Door Window Sensor WiFi Vibration Alarm Burglar Glass Break Sensor Security protection Alarm Detector System Features: High pitched alarm: High decibel 130dB alarm to protect property and protect you. Vibration sensing: With vibration sensing adjustment gear, sensitivity adjustment dial can be controlled at will. Low power reminder: Energy saving and power saving, standby for up to one year. When the battery voltage is lower than 3V,