Feature:1. ABS+iron, after anodizing treatment, enhance texture, wear resistance and corrosion resistance.2. Exquisite and compact, easy to carry, enhance the remote control signal, effectively extend the distance.3. The antenna on the remote control needs to point to the drone, please do not block the remote control or fly in a severe interference area.4. Plug and play, simple and quick installation and disassembly, non‑destructive installation design.5. When installed on the remote control, with good directionality, and certain degree of anti‑interference ability.Specification:Item Type: Drone Signal Extender AntennaMaterial: Plastic+IronColor: BlackSize: Approx. 87x60x20mm/3.4x2.4x0.8inWeight: Approx. 29.0g/1.0ozFit for FPV Combo Controller 2 How to use:1. Push the antenna amplifier into the antenna.2. Clamp it tightly. Package List:2 x Drone Signal Extender AntennaNote:1. Delivery does not include drone/remote control2. Manual measurement, please allow 1‑3mm/0.04‑0.12in error, thank you.3. Due to the difference between different monitors, the picture may not reflect the actual color of the item.