Each of the three 30 x 25-mm TRIP-30 Series audio alerts produces its own unique sound output: a slow pulse, a fast pulse, or a continuous and slow pulse. The transducers are priced under $1. The ...
With an ear blasting sound output of 115 dbA at 30CM generated from its small 2.1D X 2.2H” tubular package, the unit’s tones begins with a siren, changing to a Hi-Lo wail, then to the Euro alarm, to a ...
Problem: You're sick of e-mail alerts, but you don't want to miss important messages from the office or your family. Solution: MailTones, which lets you assign custom alerts. Rick Broida is the author ...
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