Low wattage warmers with four power levels - low, medium, high and chafer preheat Touch controls LED indicator lights on control panel and glass top Tempered black ceramic glass top is strong, non-porous and easy to clean Safety features including over-heat protection, small-article detection, pan auto-detection, empty-pan shut-off Connect up to three warmers with the included interconnect cords (the centre warmer must connect to the electrical outlet) Up to five warmers (at maximum power) can be connected to a 15 amp circuit Storage compartment under warmer conveniently holds cords when not in use Drop-In warmer can be installed overhanging countertop or countersunk Warranty 1 year back to base