Instruction video: https://www.youtube.com/watch?v=hoOBq3eqK-U Specs: High Definition Support:720P (HD) Memory Card Type:MicroSD / TF Optical Zoom:Fixed Focus Built-in Memory Size:Non Camera Shape:Pen Model Number:Pen Camera Sensor Technology:CMOS Type:Video Camera Style:Hidden Camera external dimension:600*500*300mm Data storage capacity:the biggest support 32 gb memory card Pixel:5 million Transmission rate:30 frames Shooting Angle:120 Video resolution:1280 x 960 Photo resolution:3840 x 2880 When you operate it please insert TF(SD) card first. Want a 32GB TF card? Please click: https://www.wish.com/c/55652bb2db4b201b3b2e15df Introductions: Plug-in Card DVR Camera Video Recorder Pen builts with a high resolution lens, micro strong li-ion battery and a stantard USB 2.0 port. This pen comes with a hidden camera capable of audio and video recording. Just press the covert button on the pen and record all the action. Functioning perfectly as an actual pen it is virtually undetectable and great for secret surveillance use. Features: Brand New and High Quality. Tiny size makes it ideal for a variety of uses. It`s great for use as a hidden cam, spy cam, etc. Real time recording in AVI video format. Color video with voice lets you clearly see who`s there & hear what they say. Place it up high or conceal it down low. With built-in rechargeable battery so there`s no long cord for you to hide. Playback video on your PC/Macbook/iPhone/Android phone Suitable for any computer and electron device with USB port. USB2.0 standard port, need no drive or circumscribed electric power source neither. Specifications: Video compression: AVI video format. ideo coding: M-JPEG Video high resolution:1280 x 960 (is not 720x480) Photo JPG Format: 3840 x 2880 Video frame rate: 30fps6. The ratio of image: 4:3 Memory Capacity: NO, support TF card up to 32GB. Recording Mode: Continuous Recording until memory is full or manually off. Adapter Type: USB adaptor charging cable. Battery Type: High-capacity lithium polymer Record time:1~2h. Size: 145 x 12 x 12mm. Operating System: Support WINDOWS98/98SE/ME/2000/XP/Vista/MAS OS/ LINUX and Automatically Distinguish Operating System. Color: silver/gold Package: - (not include tf card) - USB Cable - User Manual