LOHOME MJX B2W Bugs 2 W RC Quadcopter - 2.4GHz 6-Axis Gyro 1080P HD 5G Wifi Camera FPV Drone Remote Control Drone, Long Range Drone With GPS, Altitude Hold, Headless mode and Return to Home

LOW VOLTAGE RTH
When the aircraft's rear lights flash red slowly, and steady beep, beep, beep..., beep, beep, beep sound is heard. At this moment, as long as the aircraft flying altitude is over 100 meters or the flying distance is over 300 meters, the aircraft will automatically fly back to the Home Point.
When the aircraft's rear lights flash red fast, and steady beep.., beep..., beep sound is heard. At this moment, as long as the aircraft flying altitude is over 15 meters or the flying distance is over 15 meters, the aircraft will automatically fly back to the Home Point. If the aircraft flying altitude is less than 15 meters or the flying distance is less than 15 meters, the aircraft will automatically land to the ground.

Aircraft initialization detection & compass calibration
Aircraft initialization detection:
The Aircraft initialization detection takes about 8 seconds. Once front lights

Specifications:
Operating Frequency: 2.4Ghz two-way communication
Channels: 4 Channels
Gyroscope: 6-Axis
Pixels: 1080P HD
Wifi FPV transmission distance: 400-500m
Remote control distance: 800-1000m
Functions: One key to return, GPS, height hold, wifi FPV camera
Battery for quadcopter: 7.4V 1800mAh Li-po
Charging time: About 180 minutes
Working time: About 18-20 minutes
Battery for remote controller: 4 * AA battery (not included)
Item dimension: Folding Size:7*5*2.4 inch / Expanded Size:12.8*12.8*2.4 inch
Item weight: 334g

We also have detail USER GUIDE shipping with item, and we are welcome to our customer write to us for any questions or video about how to use and dealing the issues.