Survey3N Camera - NIR+Green+Blue (PRE-OWNED- UNIT ONLY)camera includes an external USB GPS receiver to automatically geo tag each captured image. Its 12MP sensor and sharp non fisheye lens allows you to easily capture aerial media. It captures photos on the default timer trigger or can be sent a PWM signal through the HDMI port (see below). If you supply power to the USB port it will power on the camera automatically. Sized similar to a GoPro Hero these small survey cameras can be attached to your aerial