Video Doorphone, Surface Mount Type With Zinc Case, Angular of Field View: Up/ Down, Size:96(W)x155(..

Features:-Wall or Ceiling MountAdjustable relock timer (0.5-20s)Adjustable sensor range (5-50cm)&nbs..

MB-1395DL 白色防盜鐵箱(連鎖)|機箱330(H)x230(W)x130(D)mmWhite Color..

MA-20 20Wmax 課室擴音機MA-20 20Wmax CLASSROOM AMPLIFIERInput:1Mic & 1mIC/Aux With Wall Mounting Metal..

CR2477 3V 鋰電池NOMINAL CAPACITY: 1000mAh..

MSM-200 座枱式廣播咪• Condenser Microphone• Power Input : AA x 4 or DC 12V • -42dB, 60Hz~16kHz• 14in Goose..