The AutoRAE 2 Automatic Test and Calibration System for Honeywell RAE Systems portable monitors makes instrument testing and calibration compliance as easy as pressing a button. Simply cradle the monitor, and the system takes care of calibration, testing, and battery recharging. For various RAE Systems product such as ToxiRAE Pro Series, QRAE3, MicroRAE, MultiRAE Series (except diffusion model), and Single Cradle for all Handheld PID, QRAE 3 and ToxiRAE Pro family instruments