Description: directly by ICs Extremely thin and light Low Frequency and multi frequency capability Speaker and microphone capability No EMI /RFI Piezoelectric Buzzer & Ringer Applications Include: ...

Kepo Electronics has focused on electroacoustics for 20 years with rich practical experience to develop buzzers, sensors, transducers, alarms, etc. for various ...

We really liked the YoLink alarms, but we wished they also offered an audible alert function, such as a chime or a siren that sounded when a door was open. Still, that’s a minor gripe for what ...

Zone input connects detector to keypad to avoid separate wiring back to panel. 5 programmable one-touch function keys with 25 options. LED status indicators. Piezo buzzer provides audible feedback for ...

It might not be ideal for heavy sleepers who need noise to wake up; you'll still need to set a separate, audible alarm. A single light costs about $100. Read our full Casper Glow Light review.

Focus on models that provide audible alarms with long-lasting batteries (at least several years). App alerts may be great, ...

Quartz watches with a digital display take things much further, with multiple timers, audible alarms, calendars, an hourly chime, several daily alarms, multiple time zones and more. Digital ...

We’ve got some friends who have two sump pumps. One is a backup and sounds an alarm when it is switched on. But this only works as long as they’re home to hear it. [Felix Rusu] came up with a ...

I liked that this alarm was pretty customizable for the price. You can wake up with just the vibration or a buzzing sound or combine them. The tone of the buzzer can be changed, and you can opt to ...

Coming our way from the tropical paradise of Eastern Pennsylvania, this month’s subject is an ADT branded Impassa SCW9057G-433 alarm system that was apparently pulled off the wall when our kind ...