With no LEDs or flashing lights and no sounds or giveaways it is nearly impossible to tell with the naked eye that a video is being recorded. The key ring spy camera has got a built in microphone to allow it to record audio.
Video resolution: 640x480 pixels, 29 fps; AVI format.
Camera: 1280x960 pixels.
Built-in high-performance rechargeable lithium; 280mhA 3.7V.
Complete with 2 GB micro SD card.DEMO CLIP