airdrop Parabolic Servo Switch device Remote control control For DJI phantom 3 Advanced Professional 3SE drone Accessories description: Load: max 500g Battery capacity: 400MAH Charging time: 1 hour Use time: Standby time is about two days. The time used is based on the actual number of launches. How to Use: 1.power on.power on the airdrop kit and the LED indicator will light on.power off and the led indicator light will off. 2.set the dji Go APP. turn off the arm light (C1/C2) to chekt if the airdrop kit can work normally. 3.tie the stuffs which need to be parachuted on the drones and install the light sensor module,the servo gear will be locked automatically.if the lock are not in place ,please press the buttons on the airdrop kit to adjust the places.installation drone. 4. Do the parachute. Fly to the places you want to airdrop.turn on the arm light by the remote controller and the airdrop kti will open the lock , airdrop done. Note:1. the airdrop kit will ran out of battery soon if the led indicator flashed (4 times/second) the led indictor will turnded on during the charging and off when the charging done.current:500mAh 2.the light sensor modules will be will be in different shapes as the drones are different . 3. please checking to see if the cables blocked the props/sensors or DJI GO APP has unusual reminders after the installation. 4.please don't tie much stuffs on the drones as different drones can burden different weights.please test the weights gradually and keep the fly safe. 5. please follow the local laws during the flight.the operateor will have the full responsibility for the safety and accident cases. 6. data references (weights) for the airdrop kit of different drones: phantom2/3