Part number:1 Description: It is a DC 5V Buzzer Module PH2.0 Alarm Speaker for MCU/Robot/Smart Car.Feature: 1>.High fidelity power amplifier chip to ensure that the audio output is not distorted 2>.Compatible 3.5mm headphone port instantly becomes a music player 3>.PH2.0 wiring is convenient to prevent short circuit of the motherboard caused by wrong wiringParameter: 1>.Product name: Power amplifier horn module 2>.Work voltage: 2.0-5.5V 3>.Interface: 3PIN anti-reverse connection PH2.0 dupont wire 4>.Work Temperature: -25~85 5>.Work Humidity: 5%~95%RH 6>.Size: 40*32mmApplication: 1>.It can be applied to anti-theft device, electronic lock, mechanical equipment vibration detection, bull 's-eye counting detection range.Package:1X DC 5V Buzzer Module It is a DC 5V Buzzer Module PH2.0 Alarm Speaker for MCU/Robot/Smart Car. High fidelity power amplifier chip to ensure that the audio output is not distorted Compatible 3.5mm headphone port instantly becomes a music player PH2.0 wiring is convenient to prevent short circuit of the motherboard caused by wrong wiring SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied. It is a DC 5V Buzzer Module PH2.0 Alarm Speaker for MCU/Robot/Smart Car. High fidelity power amplifier chip to ensure that the audio output is not distorted Compatible 3.5mm headphone port instantly becomes a music player PH2.0 wiring is convenient to prevent short circuit of the motherboard caused by wrong wiring SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied.