ITEM NAME:Door or window contact magnetic switch alarm - SMD style D2K5 Door or window contact magnetic switch alarm - SMD style D2K5 100% Brand New High-quality contacts, UL wire leads Technology: SMD (by screws or double-sided adhesive tapes) Easy to install Switch Type: NO (normally open type) is turned on when when magnet is from the switch Capacity: maximum switch: 0.5A voltage: 100V power Rating: 10W Actuation distance: 15- 25mm Case: ABS dimensions: 27mm x 14mm x 9mm cable dimensions: 16,75 cm Colour: White recommendations in the application: wooden doors, windows Package Included: 1 x Door or window contact magnetic switch alarm 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.