H2S meter Single Gas detector

Single Gas detector H2S meter Spesification : Detecting Gas = H2S Measure Range = 0-100 ppm Display = Large LCD display Alarm Method = Sound, light, vibration Working Temperature = -20℃~50℃ Working Humidity = 0-95%RH (non-condensation) Shell Material = ABS+PC Power Supply = 3.7V Rechargeable lithium battery Charging Time = Approximately 4-6 hours