Features: A great replacement for door open button or other switches of devices, widely used in elevator controllers, automobiles, household appliances, machine tools, alarm systems, and other automatic control areas An automatic switch for automatic regulation, with self-lock function, allows safety protection and circuit conversion 315MHZ, 433MHZ frequency ensures sensitive and strong signal receiving and transmission High-quality plastic material and professional PCB circuit board, safe without noise and spark, anti-corrosion, moisture-proof, and anti-vibration Equipped with a portable remote control for easy and remote operation The signal can pass through walls, floors, doors, and stably control the receiver anywhere within a reliable distance. The maximum range is up to 50m (without obstacles) Light and compact size for perfect portability and adaptability, easy to use Specifications: Product name: DC 8 Way Remote Control Switch Working voltage: DC 5V-260V Signal frequency: 315MHZ, 433MHZ (optional) Product size: 92x87x16.5mm Note: No retail package Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before purchasing Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 Set x Wireless Remote Control Switch