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Feature

Product Name:Door Magnetic Switch,Material:Stainless Steel,Color:Silver Tone,Current:0.5A,Voltage:100V,Package Content:1 x Door Magnetic Switch,4 x Screw
Action Distance:45~60mm,Power Rating:10W,Pipe thread Length:44cm/17" Size 10.5x3.8x1cm/4" x 1.5" x 0.4" (L*W*H)
Work as an anti-theft alarm, ideal for house, garage, warehouse, enterprise and shop etc
The rolling magnetic contact is very easy to install. Keep your home safe with this door security alarm
Sharp alarm will be heard when someone opens door or window in arming status,The reed switch is an electrical switch operated by an applied magnetic field

Description

1.Silver gray zinc alloy housing. 2.The reed switch is an electrical switch operated by an applied magnetic field. 3.Designed for use with alarm systems. Great for use in family and factory window, door. etc. 4.Screw Mounted for easily install. 5.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 ). 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 ).When make order,pls check carefully!