The DS-K4H250S Single-door magnetic lock is designed for wooden door, glass door, and stee... Hikvision DS-K4H250D double-door magnetic lock The DS-K4H250D Double-door magnetic lock is designed for ...
Iron particles effectively act as tiny magnets that can record both magnetic field strength and direction when the process of crystallization locks them in place. The researchers found that rocks ...
The DS-K4H250S Single-door magnetic lock is designed for wooden door, glass door, and steel door with the opening angle of 90°. The maximum thrust of the lock is 300kg. It can be used for controlling ...
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