Upgraded 4K HD WIFI Electronic Eyepiece Astronomical Telescope Camera 5 Million Pixel Full-Color Bird-Watching Telescope Image sensor: -CMOS 1/2.8inch Pixel size: 6.52mm Wireless transmission rate: 867Mbps Battery capacity: 1600mAh Input voltaget: DC5V-1A Charging Port: Type-C Operating systems: Android/iOS/ Data transmission mode: 802.11 ac Wi-Fi&USB Operating temperature: -20-50 Video Format: Mp4 Photo Resolution: Max-4k Video Resolution: Max-4k Colour:Black Material:ABS Size:688mmx410mmx197mm Package Contents: 1 x Electronic eyepiece 1 x data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.