Display panel range includes:

control box side point lattice dual digital display board (PCB size: 170 * 100mm, hole distance: 161 * 87mm),

 control box side single-point dot matrix digital display board (PCB size: 170 * 100mm, hole Distance: 161 * 87mm),

call box outside the square point lattice dual digital display board (PCB size: 139 * 66mm, hole distance: 129 * 52mm),

call box outside the square lattice single-point digital display board (PCB size: 139 * 66mm, Pitch: 129 * 52mm),

 liquid crystal display panels,

 external calls two-dot dot-matrix digital display,

operation tank seven segment display board (PCB size: 180 * 102mm, pitch: 160 * 87mm),

operation Box 10 code into the display panel (circuit board size: 180 * 102mm, hole distance: 160 * 87mm),

operation tank BCD code display board (PCB size: 180 * 102mm, hole distance: 160 * 87mm), outside the call box BCD code display board (PCB size: 141 * 68mm, Pitch: 71 * 52mm), outside calls me seven segment display board (PCB size: 128 * 65mm, Pitch: 71 * 52mm), outside the box 10 into the call code display board (PCB size: 141 * 68mm, Pitch: 71 * 52mm), call box outside the BCD code display board (PCB size: 155 * 68mm, hole distance: 130 * 50mm),

outside calls me seven segment display board (PCB size: 155 * 68mm, hole distance: 130 * 50mm),

 seven segment Tau display board (PCB size: 143 * 67mm, hole distance: 127 * 52mm)