Product Name : Magnetic Door Contacts;Contact Capacity : 0.5A(Maximum Switch Current);Voltage : 100V Rated Power : 10W;Actuation Distance : 15-25mm;Cable Length : 10" / 25.4cm Size(Approx) : 2.8 x 1.5 x 1.3 / 1.1" x 0.6" x 0.5"(L*W*H);Color : White Housing Material : ABS;Weight : 12g Switch Type: NO(normal open type), circuit is connected when magnet is near the switch. The reed switch is an electrical switch operated by an applied magnetic field. Designed for use with alarm systems. Great for use in family and factory window, door. etc. With double-sides tape design that for easily install. package Content : 1 x Magnetic Door Contacts 4 x Screws Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.