High Sensitivity & Low Power Consumption 18mm piezoelectric buzzer sheet with copper plate delivers high sensitivity and low power consumption; 1.5V to 30V operating voltage; 8.6 kHz resonant frequency; 15, 000pF capacitance; ideal for sound and vibration detection in DIY projects; Wide Operating Temperature Range Designed for stable performance in extreme conditions; operates reliably from -20°C to 70°C; suitable for indoor and outdoor applications including musical instruments and sensor systems; Easy Integration & Pre-Wired Design Pre-wired for quick installation; compatible with Arduino, Raspberry Pi, and STM32 platforms; simplifies use in custom circuits and electronic projects; Durable Construction for Long-Term Use Made from high-quality brass and ceramic materials; resistant to wear and tear; ensures long-lasting performance in repeated use scenarios; Versatile Application for Makers and Hobbyists Suitable for acoustic instrument pickups, contact microphones, and touch sensors; enhances creative possibilities for DIY electronics and sound module development