Features: This high levels solid states relays module offer multiple channel option (1/2/4 channels) with 2A current capacity, featuring fuses protections and LED statuses indicators for safe controls of various electrical devices. Builts with solid states relays technology, the module operates across 5V 12V 24V with silents switching and instants responses, for precise automations controls applications requiring space efficient solution. for electronics enthusiasts, professional engineers, and industrial technicians seeking circuit controls components for projects ranging from home systems to equipment automations upgrades. Enables seamless integration home automations (lighting/ controls), industrial machinery operations, LED management, and motor driven devices while maintaining safety through overload protections mechanisms. Optimized for top searched "solid states relays module," "high levels controls," and "automations components" categories, this module combines industrial performances with user friendly installation for diverse electrical controls scenarios. Specifications: Materials: PCB Product size: 34x25mm Product weight: 12g, 22g, 40g Number of channels: 1 channel, 2 channels, 4 channels(optional) Power supply voltages: 5V, 12V, 24V(optional) Load current: 2A Load voltages: AC240V switching frequency: ≤5KHz Package Includes: 1PC relays Module note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.