1. Relay: The remote control has a built-in relay device to improve the remote control and image transmission signals, compensate for signal attenuation, lengthen the transmission distance of the remote control and image, and make the more stable signal. 2. 360 obstacle avoidance function: the obstacle avoidance detects whether there are obstacles in the forward direction of the aircraft by laser scanning, and the remote control issues an alarm when an obstacle is detected within 20 meters, and the drone will hover automatically and cannot move forward 3. One-key GPS return to take-off point, low power return, no signal return. 4. GPS intelligent tracking, fixed-point surround, multi-point planning flight route, one-key soaring, gradual receding, spiraling 5. MV function: filter, add background music 6. Voice retrieval function airplane Model: SG908 MAX Motor: 1806 brushless motor Remote control distance: 3000 meters (SG908 MAX) Battery life: about 23-26 minutes Charging time: about 6 hours Body battery: 7.6V remote control 3 400mAh Battery: 3.7V 1300mAh GPS tracking: 15 meters Camera: 4K Adjustable lens angle: 110 Images are as follows: 1-5M Focal length: 50 times Resolution: Video resolution: Front camera: 2048* 1080(TF) SD mode: 1208*720(APP) HD mode: 2048*1080(APP) Rear camera: 1280*720p Photo resolution: Front camera: 4096*3072P(TF) 4096*3072P(APP) Rear camera: 1280 *720p Transmission frame rate: 25 fps Product size: 18x9x8cm (folded) 32x40x8cm (unfolded)