brand new and high quality Features: Transcription: Through the transcription line, the recording can be transcribed to a computer or recording pen. Energy consumption: The switch circuit is designed with low energy consumption and does not consume electricity when not in use. Use for more than 6 hours. Power supply: 9V square battery.(Batteries not included) The internal and external structural parts are made of ABS engineering plastics, and the surface is environmentally friendly non-slip paint. Special high-fidelity headset for listening bird sound, clear sound quality and better noise isolation. Use environment: The instrument is used in a quiet field, usually within a range of 10-200 meters. It is suitable for outdoor remote animal observation, listening and recording, travel and adventure. Specifications: Product name: Monoculars Telescope Telescope specifications: 8X21 focusing telescope. Effective observation distance: 8m1200m. Resolution: 166/1000 meters. Field of view: 7.5. Accurately directional listening distance: 200 meters in a quiet outdoor environment. Volume adjustment: adjustable. Sound frequency range: 5020000Hz. Waveform distortion: less than 5%. Sensitivity: -68-50dB. Recording: solid-state recording for time is 18 seconds. Replay: The for replay accuracy of solid-state recording is 0.5%. Material: ABS plastic Size: app.275x180mm/10.83x7.09in Color: Black Quantity: 1set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Monoculars telescope 1 x Sound tray 1 x Headset 1 x Cleaning cloth 1 x Desiccant 1 x English manual(other accessories demo in the picture is not included.)