Electromagnetic lock
Magnetic Door Locks : Electromagnetic Lock
Quote from Article entitled Magnetic Door Locks:
If a magnetic lock is installed on the gate, then under the influence of weather conditions a locking device can break down. Repair involve replacing of it. To prevent the problem take care to minimize the effects of rain, snow and other factors. The most reliable devices that open with a special remote control. Their mechanism is hidden inside and is well protected.
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