This versatile DPDT (Double Pole Double Throw) electromagnetic relay switch comes complete with a socket base and LED indicator for professional electrical applications. The micro mini design offers space-saving installation while maintaining robust switching capabilities. Compatible with multiple voltage options including AC 110V/220V and DC 12V/24V coil voltages, this relay provides excellent flexibility for various control systems. The included LED-equipped socket base enables quick status monitoring and simplified installation. Its electromagnetic mechanism ensures consistent switching performance, while the compact form factor makes it ideal for confined spaces. The MY4P/HH54P/MY4NJ relay features durable construction for dependable operation in automotive and industrial applications. Perfect for circuit control and automation projects where reliable switching and space efficiency are essential requirements.