Powerful Optical Performance: This telescope features a 90mm aperture and 900mm focal length refracting design, providing exceptional optical performance that allows you to easily observe deep space objects in the universe. Sturdy and Durable Mount: The sub-black Vertisteel Altazimuth Mount provides stable support, allowing the lens to move smoothly with high precision and maintain accurate positioning. Phone Adapter & Wireless Remote: This telescope not only includes an Digital eyepiece, but also a phone adapter and wireless remote. You can easily capture and share images and videos of your observations on your phone without physically touching the telescope. This allows for a steady and stable observation experience, while also making it convenient to share your discoveries with others. Suitable for Beginners and Professionals: This telescope is suitable for both beginners and professionals.