1.Ideal Equipment: This birdwatcher has a built-in 8x monocular, high-definition imaging, and an effective distance of up to 300ft/100m, which is very suitable for observing nature from a distance. 2.Quality material: The main part of the equipment is made of high quality plastic, which is comfortable to hold in your hand, strong in shock absorption. Take it when you are travelling, you don't have to worry about being crushed or broken. 3.Special design and function: The design is very attractive, and the 8x monocular telescope allows you to see objects clearly at close range. The ergonomically designed handle can be easily operated with one hand only by pulling the on/off trigger. You can adjust the volume from low to high to get better hearing. 4. Design: This product is powered by a 9-volt battery (not included), the effect will be better when used in an open place. Within the aiming range, then pull the trigger to amplify the sound. The frequency can be adjusted to reduce noise, allowing your ears to easily feel the beautiful natural notes.