Features: 1.Excellent Performance: Power off to unlock, power on to lock, operate without noise. Mechanical demagnetization process, no residual magnetism after power failure, low power consumption. 2.High Quality Material: Made of high quality aluminum alloy, magnet and iron materials, the lock body and iron plate are treated with special anti rust treatment, which is durable to use. 3.Low Maintenance: Different from general electric locks, electromagnetic lock is resistant to wear and tear, effectively avoiding various failures caused by wear and tear of accessories. 4.Unlocking Method: Used with access control, intercom system or other equipment, realize a variety of unlocking functions: key, manual, password, fingerprint, remote control, intelligent induction. 5.Wide Range of Uses: Electric magnetic door lock is widely used in building intercom electric control doors, escape doors, glass doors, aluminum alloy doors, wooden doors and access control. Specification: Item Type: Electric Magnetic Lock Material: Aluminum alloy, magnet, iron Uses: Widely used in building intercom electric control doors, escape doors, glass doors, aluminum alloy doors, wooden doors and access control. Working Status: Power off to unlock, power on to lock Lock Body Working Voltage: DC12V Maximum Holding Force: 280KG / 600LBS Remote Control Frequency: 433mHz Power Supply Voltage: US Plug AC110-240V Remote Control Battery Type: Built in 1PC CR2016 button battery 150mAh PackageList: 1 x Lock Body1 x Suction Board1 x Positioning Sticker8 x Screw1 x Gasket1 x Hex Wrench2 x Pin1 x Large Screw1 x Screw Sleeve2 x Remote Control1 x Power Adapter Note: 1. When the working voltage is greater than 12V, the temperature of the lock body may be too high or the control circuit may be damaged. 2. This product will generate a strong magnetic field when working, please do not put magnetic sensitive equipment close to the magnet. 3. After installation, it is necessary to check whether the lock body and the iron plate are completely coincident after the door is closed. The position of the iron plate of the magnetic lock with feedback function may need to be fine?tuned by powering on. 4. During use, pay attention to check whether there is foreign matter between the lock body and the iron plate and clean it at any time. 5. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.