Neon Effect Black Board 1 Design as Poster, Using as white board ... pen: 6mm*8colors, 10mm*8colors, 15mm*8colors-----red, green, purple, yellow, pink, orange, white, blue.Remote controllerLi-battery: 1800MA, 2800MA, 5500MA ... Different flash modespurple, green, yellow, blue; orange, white, red, pink. Applicable Field:Organizations: supermarket, large ...