433Mhz Wireless Remote Control Switch DC 12V 1CH Relay Receiver Module for Home Automation Black Frequency & Range: Operates at 433Mhz frequency with a high range, ensuring reliable wireless communication Power Specifications: Powered by DC 12V, this 1-channel relay receiver module is efficient for electrical control applications Easy Installation: Simple setup process without the need for complex wiring or professional assistance Versatile Use: Ideal for remotely controlling gates, lights, and other electrical devices in your home or office Compact Design: The sleek and compact design makes it easy to integrate into your existing home automation system without taking up much space Due to different batches, there may be differences in product appearance and printed text, which not affect use Color:Black Material:ABS Package Contents: 1 * Relay Receiver 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.