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Netbell-2-1LBel IP Automatic School Factory Warehouse Extra Loud Break Alarm Bell System with Browser Based SoftwareAmazon$811.00
Netbell-2-1Buz Break Alarm Buzzer System w/Bell Timer Software for Factory | Warehouse |Shop up to 25K SQFT (102dB@10ft), Expandable, No FeesAmazon$860.00
Netbell-KMB All-in-One Extra Loud Multi-Tone Buzzer with Programmable Web-Based Bell Timer Controller Software for Factory Warehouse Break Time Alarm Sounder SystemAmazon$976.00
Netbell-2-2Bel Break Alarm Bell System w/ Bell Timer Software for School, Office, Shop up to 12-16K SQFT (2 Bells, Each 86dB@10ft), Expandable, No FeesAmazon$701.00
Netbell-2-1Bel TCP/IP Loud Automatic Break Time Alarm Bell System for School, Office, Shop, with Free Bell Timer SoftwareAmazon