Topvico Energy Failure Alarm, Off / On Alert, 118dB Loud Siren with LED Mild, Freezer / Medical Energy Off Detector, Powered by 9V Battery (Not Embrace), 2 Pack

Worth: $22.95
(as of Sep 21,2022 06:17:46 UTC – Particulars)

9 volts
Alarm for each energy failure and are available again, totally different alarm voice for energy off and energy on, solely energy off alarm with LED flashing, straightforward to tell apart for energy off and energy on alarm
118dB loud alarm voice, alarm step 1: sound alarm 2 minutes, step 2: begin a loop: 2 minutes pause, then 3 seconds alarm sound (save energy, gentle maintain flicker), so long as the ability provide standing adjustments, will set off alarm, not miss the alarm (for instance, energy failure, will set off energy failure alarm, when energy again, will change to energy on alarm immediately)
LED flashing, straightforward to see the alert even you’re distant or in tremendous noise environments
Guide on / off swap, could be fairly after you get alert
Powered by 1 unit 9V battery (not embody), lengthy standby time and simple to alternative, US plug, work between 110V to 220V