Türkontakt Fensterkontakt in 9 Varianten und Farben (9x19mm, braun) : Amazon.de: Baumarkt
Door contact window contact in 9 variants and colours (diameter 19 x 23 mm, brown). : Amazon.de: DIY & Tools
Door Contact Window Contact in 9 Designs and Colours (28 x 14 x 8 mm, Brown) : Amazon.de: DIY & Tools
Amazon.com: Lon0167 MC-58 - Juego de alarma de seguridad magnética para puerta de contacto con hierro y varillas NC 347.8 x 52.5 x 49.2 ft (juego MC-58 alarma magnética para Türkontaktschalter 106
Amazon.com: Gebildet 2set 100V-240V Recessed Security Window Gate Contact Sensor Alarm Magnetic Reed Switch with Blue Wire,Normally Open Magnetic Switch : Electronics