Can the Camera Detect Motion Through A Window or Pane of Glass
SWIFI-SEVDBC, SWIFI-4KBUDDY, SWIFI-4KXTRM, SWIFI-4KFLOCAM, SWIFI-COREPRO, SWIFI-CORECAM, SWIFI-2KOCAM, SWIFI-2KICAM, SWIFI-FOURTIFY, SWIFI-BUDDY, SWIFI-XTRCM, SWIFI-CAM, SWIFI-PTCAM2, SWIFI-FLOCAM2, SWIFI-SPOTCAM, SWIFI-ALERTCAM, SWIFI-SLMFLC, WHD-FLOCAM, WHD-OUTCAM, WHD-INDCAM, NVW-490CAM, NHD-1200BE, NHD-1200D, NHD-1200DE, NHD-1200FB, NHD-865MSB, NHD-865MSFB, NHD-866MSD, NHD-875ER, NHD-875WLB, NHD-876DER, NHD-876MSD, NHD-885MSB, NHD-885MSFB, NHD-886MSD, NHD-887MSB, NHD-887MSFB, NHD-888MSD, NHD-900BE, NHD-900DE, NHD-900PT, NVW-500CAM, NVW-600CMB, NVW-800CAM, NVW-AS4KCAM, NVW-MR4KCAM, PRO-1080DER, PRO-1080MQB, PRO-1080MSB, PRO-1080MSFB, PRO-1080MSD, PRO-1080PTZ, PRO-1080SL, PRO-3MPMSB, PRO-3MPMSD, PRO-4KDER, PRO-4KDOME, PRO-4KMSB, PRO-4KMSD, PRO-4KMSFB, PRO-4KMQB, PRO-4KRL, PRO-4KRQ, PRO-5MPMSB, PRO-5MPMSD, PRO-5MPMSFB
Answer: The nature of PIR sensors is that they detect warm moving objects. Given that glass is quite a good insulator, it actively blocks this heat from the camera's PIR sensor so the sensor cannot detect motion even though you can see movement happening.