GLSP model 166-M3 multi-action solid state flasher is a 3 circuit unit that will automatically cycle through various preprogrammed lighting sequences. Multi-action flashers are a great choice when looking to put on an exciting light show guaranteed to attract attention. Offering noiseless operation with no mechanical contacts encapsulated to protected against shock, vibration and moisture. With high load capacities and superior heat dissipation, solid state flashers are a reliable way to easily handle any flashing and chasing need. The robust design of GLSP solid state flashers lets them provide more amps than industry standards. All models have easily adjustable speed controls and most models offer replaceable triacs.