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safety deposit boxes
Airbag system
CMOS low power consumption
Output Current : 1
All inputs and outputs are buffered
Buzzer Module 5 V 868 MHz antennas 5DBI Lora safety deposit boxesIntroduction : Buzzer Module 5v This buzzer is an active buzzer, which means that it will buzz at a predefined frequency (2300 300 Hz) on its own even when you just apply steady DC power. Features : Rated Voltage : 5V. Operating Voltage : 4 5V. Resonant Frequency : 2300 300 Hz . Operating Temperature : 20C to 45C.
