国产女精品_免费观看一级黄色片_56popn国产在线_麻豆国产精品久久人妻_黄色不卡_久久久久国产成人精品亚洲午夜

Item

Unit

Specifications

1

Rated Voltage

VDC

9

2

Operating    Voltage

VDC

 3~9

3

*Rated Current(max)

mA

30

4

*Min    Sound Output at 30cm

dB

100

5

*Resonant  Frequency

Hz

3200±500

6

Tone    Nature

                 Single

7

Lead    Wire/Pin Material

                Red Copper

8

Operating    Temperature

℃

-20~+60

9

Storage    Temperature

℃

-30~+70

10

Housing Material

                  ABS

11

weight

g

 8