Features: Elevate your automation projects with our 12V 4 channel Relays module, a versatile solution for controlling multiple electronic devices simultaneously. Featuring high quality relays for performances, this module supports 12V power supply and comes with four independent channels to manage various low voltage appliances. Suitable for enthusiasts, electronic engineers, and home automation hobbyists seeking sophisticated control over their electrical devices. Perfect for integrating into home automation systems, home projects, or automotive electronics, it offer seamless operate for lighting, motor management, and security system control. Expand the capabilities of your creative endeavors with this PCB Relays module, designed to your electronic controls with ease and efficiency. Specifications: Component: PCB Size: about 5x7cm/1.96x2.75inch Voltages: 12V/5V(optional) Note: Please allow 1 to 3cm 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. Package includes: 1x4 Channel Relays Module