... camera pen, Wireless pen camera, DVR Pen Camera, Mini Recorder Camer, Pen Camera, Digital Pen Camera, Video Camera Pen, Pen Video, Video ... - Physical pixel: 300k pixels- Image sensor: 1/4-inch COMS- Recording frame: 15fps- Data transmit via USB port ( version 2.0 ... speed: 900K/700K per second- Read SD card inserted (Memory from external SD card)- Built-in rechargeable lithium battery- Recharge via ...