Features: Wireless Protection: The anti-theft wireless door alarm provides reliable security without the hassle of wiring, keeping your home or workshop safe from intruders. Immediate Alert System: With its intelligent sensor, this magnetic door alarm immediately notifies you of any abnormal door openings, ensuring prompt action to protect your space. Energy-Efficient Design: Featuring low power consumption, this door alarm sensor is an energy-efficient choice that provides long-lasting protection for your household or workspace. Versatile Application: Ideal for use in hallways, bathrooms, kitchens, and more, this intelligent household alarm sensor offers flexible security solutions for various areas of your home. Thoughtful Gift Option: Whether for friends, family, or neighbors, this anti-theft door magnetic alarm makes a practical and thoughtful gift that promotes safety and peace of mind. Specifications: Material: Plastic Working Voltage: 12V Power Supply: 12V dry battery (included) Operating Temperature: -10°C to 50°C Size: 3.8 x 7.2 x 1.5 cm Note: Please allow slight tolerances in size due to manual measurement, and lighting in photography may result in a color difference compared to the actual product. Package Includes: 1 x Door Sensor Detector System