The WNAT Hidden Camera Speaker is a popular choice for a device that looks and sounds like a speaker, but in reality, is a hidden camera. The 5 Best Doorbell Cameras of This budget camera is super small and ultra-portable. Ask yourself questions like: Will the camera be outside or exposed to the weather? A motion detection feature sends short video clips to your phone anytime there is an action that you might want to see. What to Look for in a Hidden Camera Location The location where you plan to use your hidden camera will help you pick the best product for your needs. You can attach it to a wall with the included sticky pad, set it on a shelf tucked in with other electronics, or use it in your car as a dashcam.