Featuresaa *LCD display (20-999 PPM) *TUV EN50291 Certification *Figaro/Nemoto/sixth sense sensor LH808LCDFeatures: *LCD display (20-999 PPM) *TUV EN50291 Certification *Figaro/Nemoto/sixth sense sensor*Power Supply: DC 9V battery operated*Sensitivity Setting: EN50291 standard*Standby Current: <80μA*Alarm Current: <35mA*Operation Ambient Condition: 4~38°C, 25~85%R.H.*Sensor Type: electrochemical* ...