Input, modify, store and circle to show data on screen
Deposit six groups information
Suitable for micro electronic billboard, name card, door plate, cars and toys information
LED colors:Red, blue, white and green
Nine display speeds to select
Operated by two pieces CR2032 batteries
Size:9.8 x 3.5 x 0.8cm
Packing:100 pieces/carton
Carton dimensions:45 x 45 x 20cm