Wide Voltage Compatibility: This versatile remote control switch supports a wide range of DC voltages from 3.6V to 24V, making it suitable for applications including LED lamps, fans, and more. Compact Design: The mini relay switch is designed for easy installation and minimal space usage, perfect for DIY projects and tight spaces. Enhanced Control: Equipped with a 433MHz frequency, the wireless RF remote ensures reliable and uninterrupted communication between the transmitter and receiver. Flexible Usage: Ideal for home automation, this kit can be used to remotely control lighting, gates, and other electronic devices, enhancing convenience and efficiency. 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 x 433MHz RF Remote Control Switch kit 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.