Function description:1. The front lens is placed with wide-angle 4K high-definition WIFI, the bottom high-definition lens with optical flow can switch the camera angle, the servo pan tilt is designed to increase stability, and the EIS electronic anti shake is added to make the photo line clearer2. The height fixing function has the height keeping mode function, and the optical flow positioning and fixed-point function has stable flight.3. Ultra long endurance 3.7V 1600mAh Li ion battery, which can last about 18 minutes,4. Customize the route. You can draw the picture you want to fly on the APP5. APP mobile phone control, one button return, headless mode, ascending and descending, forward and backward, left and right side flight6. Hand gesture photography, optical flow positioning, brushless motor, ultra long endurance, obstacle avoidance head assembly, which can stop when encountering obstacles without colliding with them7. Brushless motor provides more powerful power and longer service life8. The size and weight of the product are light, and the body weight is 123g, which can circumvent the national aviation control (some countries require certification or registration for UAVs over 250g, and 210g can eliminate the challenge of certification and registration)9. 2.4GHz anti-interference technology, six axis gyroscope, more stable flight, more convenient control.Description:Pressure sensor: Height settingPositioner:Optical flow positioningMotor:1503 brushless motorElectric regulation :4000/KVImage transmission receiving method:2.4 WIFILens:Self stabilized electronic anti shake lensRemote control battery:AA * 3 to be purchased separatelyCapacity of smart lithium battery:3.7V 1600mAhControl distance (Free interference and no occlusion):100MFlight time:About 18 minsCharging time :About 1 hoursUSB Charging: 5VProduct size:Folding:12*8 *4 CM Open:17*13*4 CMTake-off Weight:132gCamera parameters Pixel:6K/4K HD CameraCamera lens Adjustable camera by transmitter90Wifi image transmission distance :(Free interference and no occlusion) About 50mFocal length:50XFrame rate 25 fpsHand gesture shooting/video reconization:1-5MPackage Included:1 x S138 RC Quadcopter1 x Remote Controller3 x 3.7V 1600mAh Lipo Battery4 x Spare Propellers1 x USB Charging Cable1 x Screwdriver2 x User ManuNotice:Read the instructions carefully before using. If you are a beginner, it is recommended that an experienced adult help. Be careful with the battery: do not overcharge or over discharge. Do not put it in high temperature conditions. Don't throw it in the fire. Do not play in the water.