Features: 1. Enhanced the remote control signal, effectively extend the flight distance; 2. Bayonet-design, two mirror extenders can be buckled together, easy to carry and store; 3. Film protection, prevent fingerprints, dust, scratches, can tear the film use effect better; 4. The mirror reflection effect good for signal enhancement; 5. Two antennas, independent installation, plug and -play, easy installation and disassembly, loss-less installation design. Specifications: Name: Applicable to F11 Remote Control Signal Range Extender Applicable Models: F11 FIMI X8SE 2020 (Note:Does not work with the FIMIX8 MINI remote) Main Material: Plastic- Property: Black Net Weight: 25.3g Gross Weight: 38g Quantity: 2PCS Product Size: approx 2.4x2.36x1.14in Note: Note: Does not work with the FIMIX8 MINI remote Due to the light and screen setting difference, the item color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package includes: 1 Set x Signal Range Extender