Universal Compatibility: This RF433Mhz wireless remote control switch is designed for versatile use across various electrical devices. Compatible with DC12V, 24V, and 36V setups, it is perfect for residential and industrial applications. High Power Capacity: With a 30A relay, this transmitter can handle high-power applications, making it suitable for operating pumps, lights, and fans efficiently. Waterproof Design: Engineered with a robust, waterproof casing, this remote control switch ensures reliable performance in all weather conditions, ideal for outdoor installations. Easy Installation: Simplify your setup with this easy-to-install switch, which requires minimal wiring and offers a user-friendly interface for immediate use. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: Black Material: plastic Package Contents: 1 * Remote Control Switch 4 * Remote Conrrol 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.