1. [Sports and light sensors] This watch has built-in sports and light sensors to provide you with a more convenient life experience. In the automatic mode, it is detected within the range of 3M/120 and automatically closed 30 seconds after the movement stops. You can also adjust on/off as needed. 2. [Eye protection] The warm white light and simple and beautiful shape give you a warm atmosphere. Protect your eyes, accompany you in the dark, guide your direction, and warm your children's dreams. 3. [Battery power supply] This LED lamp is powered by battery (excluding battery). Only one AA battery can operate in automatic mode for up to 6 months. The power is 0.3W, and the service time can reach 60000 hours. The battery child night watcher is CE certified, safe, reliable and durable. 4. [Wide scope of application] Nightlight can be used wherever lighting is required. Whether it is a wardrobe, shoe cabinet, bathroom, corridor, baby room, or even a truck and tent at home, it can provide good performance and bring simple happiness to your life. 5. [Flexible and easy to install] The double-sided tape and magnetic metal plate are provided with the package, which can be fixed at the desired position at will, or hung with screws without other tools.