?Setting Value is shown on the LCD. ?Operating status is shown on the LED. ?Water Jacket that can ve kept TEMP well. ?Infra-red Sensor(Exact nondispersive Dual Beam) ?Standard size(Various use purpose) ?O²Control for low oxygen culture ?Double Stack(Saving space) ?Round corner manage for protection of pollution. ?Safety device ?Certifivate ISO9001, ISO14001 ?CE Certificate