Specifications: Material : ABS Applicable models : for Mavic 2 / Pro / Air 2 / Air / Mini 2 / FIMI X8SE , Phantom 3 4 , X193 PRO , SG906 PRO , X7 PRO , SG901 , SG907 , E520S , S162 , F11 , GW90 , GW198 , GD91 Size : 9 . 5x4 . 5x6 . 5cm ( thrower ), 15 . 5 x5 x2cm ( remote control ) Thrower battery specifications : 3 . 7V - 350MAH ( built - in lithium battery ) Remote control battery specification : 3 . 7V - 350MAH ( built - in lithium battery ) Charging time of the thrower : about 30 minutes Remote control charging time : about 30 minutes Use time : about 2 hours Remote control distance : about 500 meters Operating frequency : 2 . 4G Feature: Drone realizes long - distance transmission of items. Used for airdrop materials , outdoor rescue , express delivery , wedding flowers delivery. The remote control of the thrower is launched with button , and the - small body is powerful. It can be fixed on the drone without affecting the flight . The straps can be installed to avoid the bottom sensor. - Click Operation with the Remote , the Remote Range of Delivery Device is the Same as the Range of the Drone Remote. Package includes: 1pc of Air Drop Release Dropper Device Kit