Labtro High-Speed Refrigerated High-Portable Gas Detector is a 4-in-1 alarm for detecting O2, H2S, CO, and flammable gases. Certified with CCCF, it operates in harsh conditions from -40°C to 70°C. Compact, rechargeable, and made from antistatic PC+TPU. Features IP66 protection and automatic alarms. Login Login 0 repins 0 comments 0 likes