Description: Easy to install and easy to use. Widely used in security window door carbinet contact. Recessed mounting, white ABS fireproof plastic shell which has a long machanical life. Switch Type: NC means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). Switch Type: NO(normal open type), NO means Normally Open:when the magnet separate, the circuit is not conductive( light on );When the magnet together, the circuit is conductive ( light off ).
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