The model 66 115 volt 4 circuit mechanical chaser is used to create a scintillating or twinkling action and it can also be wired to create a chasing action. The mechanical chaser has 4 heavy duty silver alloy contacts (which are rated for 12.5 Amps each) and 115 volt motor with 50/60 cycles. The mechanical chaser with the shades on has a total watt capacity of 5750 watts and produces 430 flashes per minute and with the shades off has a total watt capacity of 9200 watts and produces 250 watts per minute. The mechanical chaser has a rust proof treatment on all the steel parts, no maintenance shielded bearings and is UL/cUL listed. The chaser dimensions are 7 inches by 6 inches by 4 inches.