Image chip:ultra-low-light 1080P Electronic zoom:1X-10X Battery:Built-in 1200 mAh polymer battery Impact resistance: 300G Night vision: 350m Operation Instructions: 1. Long press "" button for 3 seconds, observe "" display WELCOME means it has been turned on, at the same time, the video function is open, real-time recording of the object viewed. 2. Long press "" to turn on the infrared fill light when you use it in the dark night. 3. Short press ", , (, " respectively. Press ", , (, " respectively to move the crosshairs on the display. 4. Press " and " at the same time to hide and display the crosshair. 5. Connect the external device (e.g. binoculars) to "", and then turn "" to lock the device. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Black Material:Metal Package Contents: 1 * HD Digital Telescope 1 * 32G TF Card 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.