BRAND NEW NEVER USED ended up going a different route. Honeywell BW Gas Monitor MicroClip XL is a reliable and advanced multi gas detector designed to detect LEL, CO, H2S, and oxygen levels. Made by the trusted brand Honeywell in the United States, this unit offers accurate and efficient gas monitoring capabilities. With its compact design and 4-sensor technology, this gas monitor is perfect for various industrial and business applications where precise gas detection is crucial for safety and performance.