Portable HD Outdoor Bird Watcher Monocular

Overview: HD outdoor bird listening device Specification: Telescope specifications: 8X21 focusing telescope. Effective observation distance: 8 meters to infinity. Material: Optical glass lens with antireflection coating and broadband coating on the surface. Resolution: 11～11.5” high definition. Field of view: 7.5°. Directional listening distance: 100 meters in the field environment. Volume adjustment: Adjustable. Audio frequency range: 20～20000Hz. Waveform distortion: Less than 6%. Sensitivity: -68～-50dB. Recording: The SOD6 recording chip imported from the United States is used, and the solid-state recording time is 12 seconds. Replay: Replay accuracy ≥ 0.6%. Energy consumption: Low energy consumption design of the switch circuit, please remove the battery when not in use. Power supply: a 9V battery. The working voltage is not less than 6V. Host appearance: All internal and external structural parts are made of ABS engineering plastics, and the surface is black rubber non-slip paint. Package Content: Main unit*1, earphone*1, sound collection cover*1, lens cleaning cloth*1, desiccant*1, manual*1, qualification certificate*1