Podofo Mini Security Hidden Camera 600 TVL Spy Camera Mini Pinhole Camera with Microphone Support Audio NTSC for Surveillance Ultra small, high definition CCTV camera. The size is 0.59 x 0.59 x 0.7 inches only, very easy to hidden and install. Built-in sensitive microphone, support video and audio output for real surveillance. 1/4 HD sensor high quality chip for picking up pictures, 600 TV Lines resolution.Support NTSC/ PAL system. Auto white balance. Have Excellent image and Performance. Used for home and office security, children caring, hunting and so on.