Features100 hr lamp burn-in timer modeSelf contained relay no power pack neededNo minimum load requirementsInterchangeable hot and load wires, impossible to wire backwardsAdjustable time delaysNo field calibration or sensitivity adjustments requiredConvenient test modeCompatible with electronic and magnetic ballasts CFLs LED and incandescentGloss finish800 W at 120 VAC, 1200 W at 277 VAC, 1500 W at 347 VAC maximum load per poleSinks 1/2 in knockout mountingGreen LED indicatorLow temp/high humidity