Rated Voltage 5 V 12 V 24 V

Operating Voltage 3-7 V 8-15 V 18-28 V

Sound Output at 10cm (dB) 85 dB 85 dB 85 dB

Current consumption 30 mA 30 mA 30 mA

Operating Temperature (℃) -20~+70℃ -20~+70℃ -20~+70℃

Storage Temperature (℃) -30~+80℃ -30~+80℃ -30~+80℃