ups power supply, mini ups, uninterrupted power supply, over voltage protection
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AC-DC Series
       LEEER-4D

LEEER-4D(L)

 LEEER-4D(H)

      
AC-AC Series
      LEEER-4B

LEEER-4B(L)

LEEER-4B(H)

  Battery
 
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Microphone

Sensitivity: -303dB, -323dB, -343dB

Impedance: Less than 2.2k

Directivity: 018020, min12dB@1KHZ

Operation voltage range: 2.2 C 5.0 V

Standard operation voltage: 3.0 V

Current consumption: Max 0.3 mA

Sensitivity reduction: within -3dB at 2.2V

Signal to noise ratio: more than 50dB

Capacitor build-in: 10pF + 33pF

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