1. Lasting : Its built-in monocular is great for spotting animals from afar or for watching at the slightest details of smaller animals. 3.5mm Jack for headphones (includes headphones). External recorder can be attached through 3.5mm Jack 2. Multiple functions: This sound amplifier is capable of recording 12 seconds and noise at once. It also comes with instant playback features. This allows you to fully observe and analyze the animals in your surroundings. 3. Special design and function: Ideal for bird watching and observing wildlife. Designed with a powerful optical zoom viewfinder function with a magnification of 8x, you are able to follow objects optically with no need of using extra monoculars. 4. Ideal equipment: The sound detecting system is powerful enough to monitor conversations up to 100 meters away Handheld parabolic sound dish. Hear sounds up to 300ft, Adjustable sensitivity dial. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.