Sound transducer: piezoelectric; without internal generatorLPT1109DS-HL-05-4.1-12-Rohne Technical specifications Manufacturer: Cresound Electronics Sounder Type: Piezoelectric Characteristics of sound transducers: without an internal generator Resonance frequency: 4.1kHz Operating temperature: -40...105°C Volume: 70dB External dimensions: 11x11x1.7mm Resonance frequency tolerance: ±500Hz Rated voltage: 5V Input voltage max.: 25V Scope of delivery: 1 pc.
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