- Supply TypeManufacturer, Exporter, Supplier, Retailer
- Preferred Buyer Location All over the world
Operating voltage: 3.3V~5V - VCC external 3.3V~5V voltage (can be directly connected to the 5V microcontroller and 3.3V microcontroller) - GND external GND - I O external microcontroller IO port - Great for sound - Packing list: - 1 x Buzzer alarm module - 1 x 3-in-1 Dupont cable (20cm)