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 when not in . for more than 6 hours. supply: 9V battery.(Batteries not included) The internal and external structural parts are made of ABS engineering plastics, and the surface is environmentally non-slip paint. Special high-fidelity headset for listening , clear sound quality and better noise isolation. environment: The instrument is used in a quiet field, usually within a range of 10-200 . It is suitable for outdoor remote animal observation, listening and recording, travel and . Product name: Monoculars Telescope with Sound Telescope specifications: 8X21 focusing telescope. Effective observation distance: 8m~1200m. Resolution: 166/1000 . Field of view: 7.5. Accurately directional listening distance: 200 in a quiet outdoor environment. Volume adjustment: adjustable. Sound frequency range: 50~20000Hz. Waveform distortion: less than 5%. Sensitivity: -68~-50dB. Recording: solid-state recording time is 18 seconds. : The accuracy of solid-state recording is 0.5%. Size: app.275x180mm/10.83x7.09in color:As shown Material:plastic Package Contents: 1 x telescope 1 x Sound collection 1 x Headset Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.