APC Door Switch Kit, Magnetic, Security Systems, Wired, 241,3 x 165,1 x 50,8 mm, 450 g APC Door Switch Kit. Sensor type: Magnetic, Compatibility: Security Systems. Connectivity technology: Wired. Dimensions (WxDxH): 241,3 x 165,1 x 50,8 mm, Weight: 450 g