A camera device includes a camera case provided with a camera lens, a steering device configured to steer the camera case, an image signal transmitting device configured to transmit an image signal captured by the camera lens to an image display or recording device, and a power supply device configured to supply power to the camera device. The power supply device includes an electric plug configured to obtain an AC power supply of 100 to 240 volts and an associated transformer-rectifier device. An LED illumination device is disposed on the camera case. The image signal transmitting device is a wireless transmitting device.