LIVOLO door and window sensors interpret the aesthetics of modern technology with the visual collision of matte black shell and glass panel. The matte texture wraps the delicate glass touch, and the light and shadow flow on the glass surface to outline the balance between safety and elegance. The millisecond-level response mechanism is hidden behind this deep black curtain. When the door and window movement triggers the alarm, the matte black body stands silently like a guard in the dark night. It is equipped with self-developed low-power chips to achieve three years of ultra-long battery life, which upgrades security from passive defense to active perception, and uses technology to integrate home security into every moment of life，silent protection. Intelligence is not only about function, but also about the silent fit with home decoration aesthetics, making every safety warning an extension of the beauty of the space.