FourVersionsToChooseFrom 200mA/16WBenchtopLaserDiodeandTemperatureController-ITC502(withIEEE-488Interface-ITC502-IECompleteLaserDiodeandTemperatureControllerSets 500mA/12WCompleteLaserDiodeandTemperatureControllerSetincludingMount,Accessories,andOpticsFor600-1050nmLaserDiodes-LTC100-BFor1050-1600nmLaserDiodes-LTC100-CEE)