Compact Electronic 120 VA Class II Transformer This transformer will turn itself off in overload and overheat situations. It turns itself off instead of just burning out like transformers of a cheaper nature. This transformer has a Radio Frequency Interference Suppressor.This transformer has 2 terminal blocks and can accommodate up to SIX 20 watt lights. 110 V / 11.5 V eff., 10 - 60 VA Weight only 4.8 oz Short circuit protection Overload protection Overheat protection Soft start for maximum lamp life Dimmable with standard dimmers Radio Frequency Interference Suppressor Voltage compensation circuit 79" plug-in power cable 2 x 10" 12 V connector with NVK 6 / 3 plug in terminal Auto reset technology - no fuses