Specification:- Voltage & Current : DC12V 0.29A- Stroke & Force : 4mm, 60g- Action Type: Pull- Energized Forms: Intermittent- Plunger Bar Size: 21 x 4mm / 0.83 x 0.16 inch (L*D)- Body Size: 20 x 11x 10mm / 0.79 x 0.43 x 0.39 inch (L*W*H)- Package Content : 1 x Electromagnet Solenoid Lock Instructions for Use: - The red and black wires are the power cords of the electromagnetic lock, and the positive and negative electrodes are not distinguished.