RAE Systems MCB3-A3C127E-020 MULTIRAE PRO,CSA.PGM-6248.10.6EV, 2000PPM.LEL.CO (0-500 PPM).HCN.O2.NON-WIRELESS.LI-ION BAT. W/ ALK. ADP..MONITOR ONLY by Honeywell
SKU: RAE-MCB3-A3C127E-020