Photo 1 of ***FOR PARTS ONLY NON-FUNCTIONAL*** SanJie Door Sensor Chime When Door Opens, Door Entry Chime for Business/Home/Office/Store,500 FT Range,26 Chimes 5 Adjustable Volume Door Ringer Alert 2 Sensors + 1 Receivers

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Photo 1 of ***FOR PARTS ONLY NON-FUNCTIONAL*** SanJie Door Sensor Chime When Door Opens, Door Entry Chime for Business/Home/Office/Store,500 FT Range,26 Chimes 5 Adjustable Volume Door Ringer Alert 2 Sensors + 1 ReceiversPhoto 2 of ***FOR PARTS ONLY NON-FUNCTIONAL*** SanJie Door Sensor Chime When Door Opens, Door Entry Chime for Business/Home/Office/Store,500 FT Range,26 Chimes 5 Adjustable Volume Door Ringer Alert 2 Sensors + 1 Receivers