RICOKOHKI LIMITED produce and export smart chess timers,Website:http://www.ricodigitals.com, high speed book scanners, Sound Pad, sensor lights, cloud cameras, electronic scales, borescopes, warmer insole, thermometers, USB fingerprint reader, 3D projectors, night lights, electronic flower pot, smart stopwatches, pedometers, timers, clocks and USB fashion LED lights, etc.