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Frequency analysis width: 100HZ~2000HZ
Frequency division (central frequency)
a、 100HZ b： 200HZ c： 400HZ
d： 800HZ e： 1KHZ f： 1.5KHZ
g： 2KHZ
Display size: A 7-inch color LCD screen
supply electricity: 7.4V 4800mAh lithium battery one set with charging function
Battery power supply time: The power supply lasts for 35 hours after the battery is fully charged
Operating Temperature: -10℃~+50℃2
Storage temperature: -10℃~+70℃
Product size （ L×W×D）： 270×169×68mm
Weight
Mainframe (including battery): 0.77kg
Signal connecting line: 0.24kg
Pickup assembly 0.35kg
Headphones at 0.35kg
Probe assembly: 0.38kg
Total weight of aluminum alloy portable box (including host and accessories) is 5.55kg
