What electronic components can be used on the alarm?
Release time：2017/8/18 13:54:00 Form：Zhejiang ZhongZhao Electrical Appliance Co., Ltd. Hots：2402
1. buzzer or trumpet, 2. capacitance resistance, 3. audio chip, 4. sensors (such as voice control sensors or vibration sensors, etc.) 5. power supply
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