433/315 MHz One-Button Round RF Remote

A compact single-button wireless remote control designed for simple switching, alarm and smart home applications. Model R41 operates at 433 MHz or 315 MHz using ASK modulation and supports learning-code or fixed-code configurations. The remote is powered by two included 3 V batteries, delivers more than 10 mW transmitting power and provides an open-space transmission range of approximately 50–100 m. Its round blue plastic enclosure makes it suitable for panic buttons, call buttons and general-purpose wireless control.