WINTACT WT8811 Compoud Gas Monitor LCD Display Rechargeable Multifunction 4 in1 Combustible O2 H2S CO Gas Sensor Sound-light Vibration Alarm Pcsensor and the smart chip can

and the smart chip can reasonably distribute the current without damaging the mobile phone or car

Paper Type: Thermal Paper

Speaker charging time: 3

Microphone sensitivity: -37dB

WINTACT WT8811 Compoud Gas Monitor LCD Display Rechargeable Multifunction 4 in1 Combustible O2 H2S CO Gas Sensor Sound-light Vibration Alarm Pcsensor and the smart chip canFeatures 1. Color screen display, user friendly interface. 2. Bilingual choices: Chinese English. 3. Three alarm forms: sound light vibration . 4. Data recording and review function, continuously record 5. 120,000 data logging. 6. Charging function. Specification Compound Gas Monitor Range Measuring item and Unit 1. Combustible gas LEL %LEL 2. Oxygen O2 %VOL 3. Hydrogen sulfide H2S mol mol 4. Carbon Monoxide CO mol mol Range: 1. Combustible gas LEL: