Easy integration and operation with most universal receivers, perfect for DIY installations. Compact keychain design for convenient carrying and usage . Comprehensive control solution with 10 remote controls operating at 433MHZ using an EV1527 chip, suitable for garage doors and relay switches. and reliable construction from high-quality materials, designed to withstand daily use. Size fits comfortably in your pocket or on a keychain., Manufacturer: Uxsjakjsd