Electrical characteristics

No.
ITEM
UNIT
VALUE
1
Rated Voltage
VDC
3
2
Operating Voltage
VDC
1.5~4
3
Rated Current
mA
10
4
Sound Output at 10cm
dB
85
5
Frequency
Hz
2700
6
Operating Temperature
-20 ~ +70
7
Storage Temperature
-30 ~ +80