600mAh BATTERY - The hidden camera contains two fast-charging lithium batteries that can work continuously for about 4 hours, while traditional pen cameras can only work for 70 minutes. Reminder: fully charge the camera before each use. | 64GB INTERNAL MEMORY - This mini camera contains 64GB of internal memory, so there is no need to buy and insert additional memory cards. Just connect it to your computer with Type-C cable and watch the video, which is very convenient. | PORTABLE & EASY TO USE - The hidden camera pen can also use it to write. It is compact and easy to carry. You just need to press the button to start working with it. | 1080P HIDDEN SECURITY CAMERA - The small camera can capture clear videos in 1920* 1080p at 30fps. Videos (AVI format) will be stored in the "VIDEO" folder in 5-minute segments. | 100% PROTECTION - This portable security camera keeps your safe anytime, anywhere. If any issue, kindly feel free to contact us and we will provide you with a solution within 12 hrs.