Rated Voltage: 12 V Sound Output (min. 20 cm): 75 dB Tone Nature: Single Operating Voltage: 9 - 15 V Rated Current (max): 25 mA Resonant Frequency: 400 ± 100 Hz Lead Wire/Lead Pin Material: AWG26 (UL1095 Lead Wire) Operating Temperature: -10°C to 60°C Storage Temperature: -10°C to 70°C