BH-BX101 is disposable single gas detector with two-year battery life. The detector adopts natural diffusion sampling to sample gas. It has good sensitivityand excellent repeatability, easy to use and maintain, and greatly meets the requirements of industrial on-site safety detection for high reliability of equipment. The shell is made of high-strength engineering plastics and composite anti-slip rubber, which has high strength, good feel, water-proof, dust-proof, and explo- sion-proof.