This is a 12V DC reed relay with a coil resistance of 825 ohms, capable of switching up to 0.5 amps. It features a Single Pole Single Throw Normally Open (SPST-NO) configuration, suitable for surface-mount device (SMD) applications. The relay dimensions are approximately 5.71mm by 17.78mm by 5.72mm, and it uses a dry (non-encapsulated) contact design.