Milesight IoT Bathroom Odor Detector, GS301-868M LoRaWAN / NH3 / H2S - 217330

4 * 4000 mAh ER18505Li-SOCl2 ReplaceableBatteries Built-in MultipleSensorsincludingNH3, H2S, Temperatureand Humidity Equippedwith Buzzerand LED Indicatorto IndicateThresholdAlarms SupportMilesightD2D Protocol Damp-proof Coating NFC Enabled DetectionPrinciple: Solid PolymerElectrochemical DetectionRange: NH3: 0 ~ 10 ppm H2S: 0 ~ 5 ppm Accuracy: ± 5% (-40°C – 35°C) Resolution: 0.01 ppm Temperature: -40°C ~ 85°C Humidity: 0% ~ 100% RH