A well-constructed electro mechanical buzzer designed to last. Consists of an electronic circuit board, an electromagnet and a strong Neodymium magnet attached to a spring, all compacted in a strong shell.
Nominal voltage is 3 Volts. Operates with 2 Volts up to 6 volts. Connection wires are 8 inches (20 cm) long with 3/8" (1 cm) stripped and tinned on the ends for easy connections. Connection wires are 26 AWG UL1007 certified.
Rated Voltage: (VDC) 3
Operating Voltage: (VDC) 2~5
Resonant Frequency: (Hz) 400±100
Rated Current: (mA) <=20
Sound Output at 10cm: (dB) >=85
Operating Temperature: °C 20~+60
Storage Temperature: °C -30~+70
Weight: 10.5 grams