Your modern design is made 100% of aluminum, with only the magnetic area made of steel. It has a lower weight and greater corrosion resistance, in addition to providing lower residual magnetism and reduced magnetism loss. Available in the versions AL60, AL150, AL180, AL200, AL300, and AL600. Silent. Voltage 12 Volts. Power Supply Current 0.6A. Compatible with access controls. Versions with or without an open door. Support with height adjustment and slot for better installation fit. Injected aluminum. Resistant to oxidation and corrosion.