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Brand: KEYES
Model: KY-038
Main Chip: LM393
Microphone: Electric condenser
Features: Single channel signal output
Low signal output level used for controlling sound light
Excellent unit for sound alarm system
Operating Voltage: DC 4-6V
Two LED indicators: POWER and SENSOR. POWER: The power is off. SENSOR: When the microphone detects sound that reaches a certain value, this LED lights up.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.