Can be used for Fishing or Baiting or Wedding or Romantic Proposal(carrying the ring) etc. Lightweight with compact size, easy to install without destroying the drone structures. Widespread Wireless connection up to more than 1km, One-Click Operation with the Remote. The payload controls by the drone arm light, turn on or off the front Led lights of the Mavic, the wires connected with the item will be released from the drone. You need to set the lights control function button ( the button in on the back of your Mavic 2 PRO or ZOOM controller) on DJI GO app before using our release device. The Mavic 2 can probably lift only 500 grams to keep it safe and usable, you can probably lift more than that but itand 39 s not recommended. Specification: Color: Gray Weight: about 122g Max Carrying Weight: within 500g Size Chart: Package dimension: approx. 12 x 12 x 5cm or 4.72 x 4.72 x 1.97inch Package Includes: 1 Set Airdrop Device Kit Note: Products for built-in rechargeable lithium battery. Please make sure you are understood the installation step clearly before operating