Check the listing for details. DC 12V 0.43A 4mm Mini Electromagnetic Solenoid Lock Push Pull Type. Condition: New. Listed at 17.76 USD. Description:- Easy to install for the electric door lock or other automatic door lock systems with the mounting board.- Widely used for the cabinet lock,locker locks,file cabinet locks ,luggage locks,electric locks,door locks,solenoid locks,drawer,newspaper boxes lock ,sauna lock,locker electromagnetic. Specification:- Voltage & Current : DC12V 0.43A- Stroke & Force : 4mm, 0.8N- Action Type: Push Pull- Energized Forms: Intermittent- Plunger Bar Dia: 6mm / 0.24 inch- Body Size: 20 x 16 x 13mm / 0.79 x 0.63 x 0.51 inch (L*W*H)- Package Content : 1 x Electromagnet Solenoid Lock Instructions for Use: - When the circuits is charged, the lock tongue will pull back by 4mm and the door will be unlocked.- After the circuits is powered off, the lock tongue will extend to lock the door.