Features:With no residual magnetization technology, it is easy to install and is used for automatic doors.The magnet uses a special electromagnet material to layer the inner cavity structure to improve the magnetic permeability.The magnet and the suction cup are chrome-plated, and the mounting base and other components are stamped.High precision, beautiful appearance, rust-proof and durable, long service life.Power-on lock, power-off unlock, energized electromagnetic door suction.It can be mounted on the ground or mounted on a wall with an adsorption deflection angle of 45 degrees.When the door is opened to 90 degrees, the suction plate and the electric lock body are combined.Installed with an emergency interrupt button, interrupted without residual magnetism.Specification:Condition: 100% Brand NewMaterial: Aluminium AlloyColor: As picture shownOpening angle: 90 degreesSuction: 60 kgVoltage: 12V DC/24V DCWorking current: 60mAMode of operation: power-on lock, power-off unlockWiring: use 12VDC or 24VDC, red is connected to the positive pole of the power supply, and black is connected to the negative pole of the power supply.Packing size: 13.2 x 10.8 x 8.5cm/5.2 x 4.3 x 3.3inPackage List:1 x Door suction body1 x Suction plate body2 x Install suction plate1 x Hex wrench4 x ScrewNote:Please allow slight dimension difference due to different manual measurement..