Specification:- Voltage & Current : DC24V 2.28A- Stroke & Force : 9mm, 450g- Action Type: Push Pull- Energized Forms: Intermittent- Lock Tongue Size: 8 x 8mm / 0.31 x 0.31inch (L*D) - Body Size: 46 x 23 x 18mm / 1.81 x 0.91 x 0.71inch (L*W*H)- Plunger Bar Dia: 9mm / 0.35inch- Screw Hole Dia: M3- 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.Note:The screw hole on the side of the electromagnet is used to install and fix the electromagnet. Please pay attention to the length of the screw when installing.