This goggle does not include a telescope. You only need to screw the eyepiece on the telescope, adjust the angle of the telescope, and watch on your mobile phone through the APP. Instructions: Twist the outer ring of the eyepiece to adjust the size of the inner ring, then put the WiFi eyepiece on the telescope, tighten the inner ring to fix the telescope, turn on the unit and WiFi link, and then watch on the mobile APP durable. Fine workmanship and perfect style. Material: abs<br><br>Color: White (Printing of notes may vary from batch to batch)<br><br>Package Contents: 1*Electronic eyepiece 1*Data cable<br><br>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.