Features: l Brass material has high strength and hardness, and has good electrical conductivity l Enhance the remote control signal, effectively extend the flight distance, the flight distance can be increased by 30%-50% l The antenna signal is stronger and more stable, reducing accidents and safer flight l High reflectivity, using mirror aluminum plate, reflectivity up to 95 l Real-time transmission images are clearer l Plug and play, simple and quick installation and disassembly, non-destructive installation design Specifications: l Applicable model: for Mavica AIR 2/DJI AIR 2S/DJI MINI 2 drone l Net weight: 21.9g l Product size: 7.4*6*3.2cm l Material: Copper + Aluminum + Plastic Package Include: l 1x Signal Booster (Pair) Note: l Does not include Drone, Remote control and mobile phone l Transition: 1cm=10mm=0.39inch l Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering l Due to the difference between different monitors, the picture may not reflect the actual color of the item,please make sure you do not mind before ordering, Thank you!