WARBLING RELAY / SIREN SOUND CONTROL
1. Create warbling sound for motor operated sirens.
2. The time can be set for warbling rise & fall time.
3. Time adjustable from 0.1Sec. ON/OFF time to 9.9 Sec, depending upon siren speed.
4. Simple connections, just connect mains cord supplied to mains 230 VAC & connect
siren at the terminals. (Max load 5 Amp.)