Features: Brand new and high quality. A great replacement for door opening buttons or other device switches, widely used in elevation controls, cars, household appliances, machine tools, alarm systems, and other automatic control areas. An automatic switch for automatic regulation, with self-locking function, enables safety protection and circuit conversion. 315MHZ, 433MHZ frequency ensures sensitive and strong signal reception and transmission. High-quality plastic material and professional PCB circuit board, safe without noise or sparks, anti-corrosion, moisture-proof, and anti-vibration protection. Equipped with a portable remote control for easy remote operation. The signal can pass through walls, floors, and doors, stably controlling the receiver from anywhere within a reliable distance. The maximum range is up to 50m (without obstacles). Lightweight and compact size for perfect portability and adaptability, easy to use. Specifications: Product Name: DC 18-way Remote Control Switch Working Voltage: DC 12V-36V Signal Frequency: 315MHZ, 433MHZ (optional) Note: No retail package. Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Set x Wireless Remote Control Switch