Support single-tube, dual-channel, astronomical and other standard telescopes Built-in aluminum battery 800 mAh Continuous effective use for about 150 minutes Maximum support 256GB TF card (no card is shipped) Video format and encoding 264 New V13wifi electronic eyepiece camera 1.5-inch display screen optical eyepiece recorder single telescope function parameters: 1.5-inch high-definition TFT (320x240) display pixel full-view IPS Video resolution FHD 1920x1080. Support screen-off power saving function (APP setting) default screen-off for 1 minute. Colour:Black Material:ABS Package Contents: 1 * Electronic eyepiece camera 1 * 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.