Lodar Holder for Mini, Industrial, and IP Transmitters.AC9810 Specifications Fits: 2/4/6/8 Function Mini Transmitters Manufacturer Part Number: AC9810 UPC: 745444006880AC9811 Specifications Fits: 2/4/6/8 Function Standard Transmitters Manufacturer Part Numbers: AC9811 UPC: 745444029735AC9812 Specifications Fits: 6/8 Function Industrial Transmitters Manufacturers Part Number: AC9812 UPC: 745444098120AC9813 Specifications Fits: IP Transmitters Features 12V Sensor Alarm Manufacturer Part Number: AC9813 UPC: 745444098120AC9814 Specifications Fits 10/12/16/20 IP Transmitters Manufacturer Part Number: AC9814 UPC: 745444029742AC9816 Specifications Standard Transmitter Features 12V Sensor Alarm Manufacturer Part Number: AC9816