Models Clé pompier triangle 17 1 21 0 Adapter MSA filter to 3M mask 12 168 1 0-60Min Delay Timer Timing Infinite Cycle Switch Relay ON OFF Trigger Module 17 338 0 NE555 Frequency Duty Cycle Adjustable Pulse Module Signal Generator 9 254 2 9V 12V 24V to 5V DC-DC Step Down Charger Power Module,Dual USB Output Board TE 20 742 1 40W DC-AC Inverter Power Supply 5 183 0