Features: This 12V single channel Relays Modules board is a Multifunction electronic control solution, perfect for integrating & projects, enabling simple control of energy efficient devices like light , fan, and motorized door . Featuring a robusts designs with standard interfaces and pinouts, this Relays Modules ensures easy connection and compatibility with various development boards, supporting a Relays control capability of 10A 250VAC/10A 30VDC. Suitable for hobbyists, Begin , and professional developers, this Modules provide accessible entry Points into home automation and electronics development, making it a valuable addition to any enthusiast's toolkit. Perfectly suited for intelligent home automation systems, the Relays Modules can be used in various applications such as controlling lighting systems, managing ventilation, or automating door mechanisms, enhancing convenience and efficiency. With its Small size of 25.6 mm x 33.5 mm and plastic construction, this Relays Modules offers reliability and Performances, ensuring it meets the demands of both simple DIY projects and complex electronic setups. Specifications: Component : plastic Voltages: 12V Size: about 25.6x33.5x17mm/1x1.3x0.7inch Package Includes: 5xRelay Modules Board note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.