Spec:

Item Type: Telescope Electronic Eyepiece
Material: ABS+Optical Lens
Observation Screen Size: 5.0 inch
Observation Screen Resolution: 720P
CMOS: 8.3MP
Zoom Ratio: 5X
Recording Resolution: 4K (maximum)
Video Format: MP4
WiFi Connection: Supported
Memory Expansion: Up to 512G Memory Card (not included)
Battery Information: Li ion Battery 2000mAh Capacity (Built in)
Bayonet Type: Adjustable Bayonet (compatible with 30MM-66MM eyepiece diameter)
Menu Language: Simplified Chinese, Traditional Chinese, English, Russian, Japanese, German, Portuguese, Italian, Spanish, French

Package List:
1 x Eyepiece
1 x Instruction Manual
1 x Charging Cable

How To Use:
Insert memory card, turn on the power, open the adjustable bayonet, install the electronic eyepiece on the telescope eyepiece, tighten the adjustable bayonet, view the eyepiece screen directly, manually adjust the telescope focus according to the screen clarity, until a clear image is obtained. Recording: when the machine is turned on and in card status, press the confirm key once to start recording. Default video recording is: 4K 3840X2160 pixels, 1 minute segment with automatic looping and overwriting. Press the confirm key once to stop recording.

Note:
The screen display is for previews only and does not represent the final image quality. 4K videos need to be played on a 4K display screen to show 4K picture quality.