Description: One Channel: This power relay module is designed with one channel so it can connect to one circuit or appliance. User-Friendly Design: This electromagnetic relay module is designed with an indicator so you can easily know its working status. Simple Installation: This one channel relay module features a rail mount design and is convenient and fast to install and is not easy to fall. Safe to Use: This power relay module is designed with a flame retardant housing which makes the module safe to use. Wide Application: This electromagnetic relay module is widely used in home appliances industry and many other fields. Specification: Material: ABS Size: 18*85*43.5mm Voltage: 5VDC/AD12V/AVD24V/AC230V Power: 0.45W Notes: Due to manual measurement please allow a slight error in size. Due to the difference between different monitors the picture may not reflect the current color of the item. includes: 1 * Relay Module