Additional features: Night light Power supply: Built-in battery Switch type: Sensor-based Smart Lighting, One-touch activation! This USB-rechargeable LED sensor light strip uses a highly sensitive infrared sensor to automatically detect human activity in low-light environments, turning on within a 3-meter range and automatically turning off after a delay when the user leaves, saving energy and hassle. It has a built-in high-capacity rechargeable battery, easily rechargeable via USB, eliminating the need for frequent battery changes. The strong magnetic design on the back allows for secure attachment to iron surfaces, and with the included metal clips, it can be easily installed in any location, such as wardrobes, cabinets, under desks, or at stair corners. The soft, non-glare light provides just the right amount of localized lighting. It is a practical and useful item for smart home upgrades, making nighttime activities safer and more convenient.