Resonantia Frequentia: 2.731KHz Operans intentione: 4~6Vo-p Rated intentione: 3 Vo-p Current Consummatio: 80mA Max.at Rated Voltage Sana Impetus Level: 82dB Min at Rated intentione ad 10cm Operating Temp: -40~+85°C Pondus: 1.0g * Material habitationi: PPO