[433 MHz RF Design] Enjoy efficient wireless remote control with our switch. It can control roller shutter rotation from a distance of 20 to 50 meters, even through walls and doors, thanks to a reception sensitivity exceeding -97 dBm. [Easy Installation and Use] Quickly configure with 3 available operating modes: momentary, toggle, and latched. Each mode is designed to adapt to your specific needs, allowing easy and intuitive control of the roller shutter motor. [Wide Flexibility and Compatibility] Connect this receiver to your roller shutter without any hassle. It can store up to 20 transmitters, and each transmitter can control multiple receivers, ensuring interference-free use in diverse environments. [Durability and Reliability] Equipped with a high-quality relay tested for over 100,000 uses. Supports resistive loads up to 10A and inductive loads up to 3A, ensuring stable performance even under fluctuating voltages. Compatible with voltages from 90V to 250V. [Multiple Applications] Ideal for home or business use, this remote control system can manage various devices such as garage doors, electric curtains, and motors, providing a convenient solution for remotely managing your installations.<br><br>Color: As shown Material: plastic<br><br>Package Contents: 1 x Controller 2 x Remote Controller<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.