Safeguard Supply Fire Alarm Bell - 6 Inches Ringing Bell - 12 Volt DC Bell Can Be Used As An Extra Loud Doorbell, Chime Alarm Or Multi Purpose Bell.

Peakeep 4 Inches Twin Bell Loud Alarm Clock For Heavy Sleepers, Backlight, Battery Operated Old Fashioned Alarm Clock For Bedrooms (Black)

Doorbell Wireless Doorbell Classroom Doorbell IP66 Waterproof 115Db With 56 Chimes Door Bell Ringer Wireless 1000ft Range Battery Doorbells Chime

HENDUN Motion Sensor Doorbell , Door Chime For Business, Store Welcome Buzzer Monitor, Commercial Door Entry Alert,Motion Detector Alarm, Caregiver

2 Archer Alarms: AC Ringing Bell And DC Pulsating Buzzer. VG++/Open Box