Universal door remote control, pack of 4 buzzer remote controls 12V 433MHz for 4-channel garage door alarm

Practical: Remote control range up to 50 meters. This fixed-frequency remote control cloner copies common fixed-code and learning remotes with 99.99% accuracy. Clone up to 4 remote control signals from 4 different remotes. Multifunctional: Easy-to-use 4-channel remote control system with one-button anti-theft and anti-theft functions, helping you control appliances, cars, vehicles, homes, and garages. Security control: The learning code offers a high level of security due to its low repetition rate and relearning mode, which allows it to erase the old code and learn a new one if a remote is lost. You always have control. Easy to use: Extremely easy to set up, learn, relearn, and control (see note). Stable and reliable performance with high receiving sensitivity. Regularly control the receiver from anywhere within a reliable distance. Wide application: a wide range of applications from simple home remote control to standalone control of windows, entrances, garage doors, alarm systems, security equipment, lifting devices, etc.