Compact keychain design for convenient carrying and usage . and reliable construction from high-quality materials, designed to withstand daily use. Comprehensive control solution with 10 remote controls operating at 433MHZ using an EV1527 chip, suitable for garage doors and relay switches. Easy integration and operation with most universal receivers, perfect for DIY installations. Size fits comfortably in your pocket or on a keychain., Weight: 0.42549216566 Pounds, Manufacturer: Uxsjakjsd