Türkontakt Fensterkontakt in 9 Varianten und Farben (9x19mm, braun) : Amazon.de: Baumarkt
Gebildet 2set 100V-240V Recessed Security Window Gate Contact Sensor Alarm Magnetic Reed Switch with Blue Wire,Normally Open Magnetic Switch : Amazon.sg: DIY & Tools
Amazon.com: Gebildet 2set 100V-240V Recessed Security Window Gate Contact Sensor Alarm Magnetic Reed Switch with Blue Wire,Normally Open Magnetic Switch : Electronics
Door contact window contact in 9 variants and colours (diameter 19 x 23 mm, brown). : Amazon.de: DIY & Tools
HWMATE Schraube Verbinden NC Magnetische Türkontakt Reed Schalter Alarm Oberfläche Montiert für Holztür oder Fenster ABS Fall Weiße Farbe (20 Paket) : Amazon.de: Baumarkt
Amazon.com: Gebildet 2set 100V-240V Recessed Security Window Gate Contact Sensor Alarm Magnetic Reed Switch with Blue Wire,Normally Open Magnetic Switch : Electronics