Characteristic
1. Our dot-matrix LCD elevator calling & indicator board adopts a 16-bit high performance industrial grade CPU. 
2. It is equipped with a  320×240 dot matrix display which is able to   display rich contents clearly and  softly. The display area is in the   size of 115mm×86mm  and users can define the welcome messages displayed   on the board freely.
3. Three kinds of display color patterns are available to this elevator   indicator panel. They  are respectively white words in blue background,   white words in black  background and yellow words in black background.
Function
1. Thedot-matrix LCD elevator  calling &   indicator board we offer is capable of indicating the running direction   and floor number of the  elevator. It can also show the running status   of the elevator such as overload,  full-load, fire service, inspecting,   attendant etc. in Chinese or English. Time  and date can be displayed on   this LCD indicator plate through manual setting. 
2. This product also comes with the elevator calling and locking functions. 

3.5 Inch TFT LCD Elevator Indicator Board Product Characteristic Display Zone: 72mm×54mm Resolution: 320×240 Display Type: Horizontal Communication Type: CAN Bus serial communication Rated Voltage: 24V/DC Picture Updating Method: This indicating board will be connected to a PC through a USB port cable to update pictures.

1. Our serial LED elevator calling & indicator board is equipped with a16-bit high performance industrial CPU. 2. CAN Bus serial communication method helps save cables and make wiring work easier. 3. Our serial indicator board adopts 7-segment or 16-segment LED display and the display color can be red, orange or blue.