This sound amplifier allows you to not only hear and record sounds 100 meters away, but also track objects optically without the need to use additional binoculars. This tool makes it easy to find faint bird sounds. The built-in digital recording chip can be used to record for 12 seconds, as well as playback or copying the file to a regular tape recorder for storage. Designed with a powerful optical zoom that has a magnification of 8x, you can track objects optically without the need to use binoculars. This tool is light in weight, easy to carry and works with a 9V battery. This high-quality bird watching tool is definitely a surprise for all opera lovers, bird watchers and animal lovers. Contents: Directional microphone for bird watching x 1 Satellite dish x 1 Headphones x 1 Birdwatching meter x 1 Dimensions: 25 x 21 x 21 cm Satellite dish diameter: 21cm Headphone cable length: 140 cm Power supply: 9 V Battery (NOT included) Powerful optical zoom with viewfinder function and 8x zoom Powerful enough to hear conversations at 100 meters away Built-in digital recording chip for 12 seconds of recording, playback or copying