uxcell 2Pcs Red Indicator Light with Buzzer AC/DC 110V, 22mm Panel Mount Flashing Alarm, for Electrical Control Panel, HVAC, DIY Projects
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Both the light and the buzzer are on at the same time. Light and sound are produced when the air conditioner is turned on. For noisy areas, the high lever volume is ideal. Very well constructed, and I purchased a green lidicator light to go with it. Make a strong first impression.
It is going to work. I use it on a circuit with a voltage range of 120 to 130 volts AC, or even less than 110 volts AC. Just make sure you order the correct one, as they range in voltage from 6 V AC DC to 384 volts. The ones I bought had a voltage of 110 V AC DC on them. And, as previously stated, I use them on the circuit.
It's a piezo buzzer, not a loudspeaker. I'm guessing it'll be a long life.
Selected User Reviews For uxcell 2Pcs Red Indicator Light with Buzzer AC/DC 110V, 22mm Panel Mount Flashing Alarm, for Electrical Control Panel, HVAC, DIY Projects
A backup sump pump sets off an alarm.
FOR MY PROJECT, THIS IS A GOOD PRODUCT.