Ultra-Thin Vibration Window & Door Alarm - Portable Anti-Theft Sensor For Home, Office & Travel, Easy DIY Security Alarm (Silver)​

Vibrating Door and Window Alarm Miele's new vibrating door and window alarm, patented design, factory direct, sourced from Amazon, EBAY, and AliExpress. Our Advantages: 1. Alibaba's leading manufacturer, Walmart, and Carrefour supplier, with comprehensive factory inspection and certification. 2. Quality assurance, exported to Europe and the United States, with CE, ROHS, and FCC certifications. 3. OEM and ODM services supported, with customizable logos, designs, and packaging. 4. Independently developed and manufactured, with 21 years of industry experience. If you have any questions, please contact our online customer service!   Product Specifications: Dimensions: 64mm*51mm*10.5mmWeight: 23gDecibel Level: 130dBMaterial: ABSBattery: LR44*3pcsPacking Quantity: 140pcs< Outer Carton Dimensions: 42*33*24cm Gross/Net Weight: 6.6/5.9kgs   Instructions: 1: Turn on the toggle switch. The indicator light on the main unit will flash. After 5 seconds, a beep will sound before the unit enters the sensing state. 2: When the main unit senses vibration, it will automatically trigger an alarm and flash the light. After 30 seconds, the alarm will stop and the unit will enter the sensing state again. 3: Low Voltage Detection: When the voltage is below 3V, the indicator light will flash once per second.