Features: 1) Housing material: ABS 2) Weight: 10.6g 3) Max. input voltage: 40Vp-p 4) Sound pressure level: 80dB (min.) (1,000Hz/12Vp-p square wave/30cm) 5) Frequency response: 1,000Hz 6) Electrostatic capacitance(pf): 66,000±30% 7) Lead wires: UL1007 AWG22, red and blue 8) Operating temperature: - 20 ~70°C 9) Storage temperature: - 30 ~ 80°C 10) Applications: alarm systems, remote controls, home appliances, communication equipment