유통업체에서 제공한 Velleman WSAA108에 대한 설명입니다.
Supply Voltage Max. V = 9 / Width mm = 45 / Product Type = Sound Module / Length mm = 70 / Kit Type = Water Alarm Board / Kit Contents = 2x Resistors, PCB, Transistor, Piezo Buzzer / Family Name = Development Boards / Board Width mm = 45 / Board Length mm = 70