Used, in good condition.  Tested and working properly.  Only items in pictures are included. 

This industrial multigas detector from Forensics Detectors is a reliable and efficient tool for detecting various gases in your workplace. The FD-4S model is designed to detect CO, H2S, LEL, and O2, ensuring that you have accurate readings every time. This unit is made in China and comes with a rechargeable battery, making it easy to use and transport.

As a unit type, this Forensics Detectors FD-4S is perfect for businesses and industries in need of a reliable gas detector. Its brand name speaks for itself in terms of quality and performance, making it a top choice for professionals. This unit quantity includes one detector, and it is compatible with a wide range of gases. Don't settle for anything less than the best when it comes to your workplace safety.