The PF-27N25WQ is an electronic audio indicator designed to provide a clear audible signal. It operates over a wide voltage range of 3 to 28 VDC, with a rated voltage of 12 VDC, and produces a minimum sound pressure level of 90 dB at 30 cm. This device features an oscillation frequency of 2500 ±500 Hz and a fast pulse rate of 3.0 Hz, while consuming a maximum of 15 mA at its rated voltage. Housed in black ABS plastic and equipped with 28 AWG lead wires, it is built to function reliably in temperatures from -20°C to +70°C. The PF-27N25WQ is suitable for various applications requiring a distinct audible alert, such as in control panels, alarm systems, and electronic equipment.