Detailed Product Description Magnetic Door/Window Alarm Specifications: 1) Easy installation, no wired required 2) For use on windows and doors in houses, offices, factories, storage rooms3) Settable to (no less than 98dB)4) Safe and convenientOuter packing: 240pcs/cartonCarton dimensions: 63.5 x 27.5 x 38.5cm N.W.: 9.5kg G.W.: 15kg