BW Technologies MCXL-XWHM-Y-UK Gas Alert Micro Clip XL Multi 4 Gas Detector provides affordable protection from atmospheric gas hazards. For standard operation with features, you can count on, opt for the GasAlertMicroClip XT. For extended battery life, especially in cold weather, choose the GasAlertMicroClip XL. Both offer visual compliance at a glance with the flashing, green IntelliFlash. Easy one-button operation reduces training time and lets workers focus on the job at hand. For simple, cost-effective management of your records, calibration and bump testing, choose BW’s MicroDock II automatic test and calibration system and Fleet Manager II software.