What you are viewing is USB Mini DVR & 1/3" CMOS Camera System SRT-650CM. this USB camera system mainly includes a digital video recorder and a 1/3 Inch Sony CMOS mini camera. Made of high quality material, this USB camera system is durable enough for long time use. And it stable and reliable and it will provide great performance. The digital video recorder adopts 2.5 inch LCD screen which ensures high-quality images. And it supports both NTSC and PAL video modes. The built-in battery is easy to charge and use. The video recording of this digital video recorder is more than 3 hours that you can easily record your favorite programs. And the camera adopts 1/3 Inch SONY CMOS imaging sensor which has high sensibility. And it offers a view angle of 62 degree. This camera supports 8GB TF memory card and offers fast video recording by one key function. It's really easy to use and will bring much convenience. This USB camera system is a good assistant for your daily life.