Features: To improves both remote control and Wi-Fi video connection performance for DJI Phantom 3 Inspire 1. Full range coverage、 strong and stable signal. Lightweight、 durable、 pratical and conveneincet to use. Compact design and good firmness. Thick aluminum foil higher reflectance. Specifications: Fit for: DJI Phantom 3 Inspire 1 Function: Boost range/Amplify signal Dimensions: 3.15 in x 2.99 in x 0.67 in (8.0 cm x 7.6 cm x 1.7 cm) Weight: 0.88 oz (25 g)