This gas detector sensor by HZXVOGEN is a safe and smart choice for detecting O2, CO, and H2S gases. With sound, light, and vibration alarms, this device ensures maximum safety in potentially hazardous environments. The detector has been manufactured in China and comes in new-open box condition. The model of the detector is O2 CO H2S EX Dector and it is suitable for use in industrial and business settings. The gas detection aspect of the device makes it ideal for test, measurement, and inspection purposes. Its compact design makes it easy to carry and use in various settings. Screen still has the plastic on it