1. Portable card shape book light for reading, can be put in the wallet;
2. The former single light can be used for emergency lighting when folded;
3. Built-in 1pc 2032 button battery, replaceable, providing 3.6V voltage and current capacity when in 3X23MAH, can light for 6 hours;
4. With 2 LEDs (light intensity: 12000MCD, lifetime: more than 50,000 hours): one SMD LED, with soft light, easy to read, and the other LED is mainly used for flashlight;
5. Creative design: after folded, can be used as a name card holder to highlight your personality or used as a photo holder or memo holder for medical use.