Guangzhou Sizheng Technology Electronic Co.,Ltd.

manufacturer(1)

Guangzhou Sizheng Technology Electronic Co.,Ltd.

Showing 1 - 10 of 11, total 2 pages [First] [Previous] [Next] [Last]

cott-qd15 mushroom cctv audio microphone
Specification: 80mm*36mm
Detail: 1.Mushroom audio pickup, designed for audio monitoring, the advantages of big monitor range and high sensitivity. 2.Classic mushroom appearance,loud sound and pure timbre within 5-30 square meters monitoring range. 3.Interna...

cott-qd60 high highly sensitivity cctv audio microphone
Specification: 78mm*28mm
Detail: 1.COTT-QD60 high sensitivity audio monitoring microphone specially designed for public security organs and procuratorate industry for synchronous monitoring recording. 2.Classic black and white with clear lines, the overall d...

cott-qd55 high sensitive -35db audio monitoring
Specification: 86mm*22mm
Detail: 1.COTT-QD55 circular HD audio monitoring microphone, 360¡ãmonitor pickup, capture the surrounding small sound. 2.The structure of new housing and metal net design is simple and fashion, to make an impression. 3.Built-in AGC ...

cott-qd50 dome-style video surveillance audio mornitoring
Specification: 80mm*47mm
Detail: 1.Using UniGuard RFI shielding technology, prevent radio frequency interference, control noise of surrounding environment. 2.Adopt cross spiral type sound hole, its internal resonance spoke after precise calculation, the soun...

cott-qd40 cctv audio microphone original voice pick up
Specification: 80mm*36mm
Detail: 1.Using UniGuard RFI shielding technology, prevent radio frequency interference, control noise of surrounding environment. 2:Use the 0.8mm pinhole type of "the temple of heaven echo wall" principle design , after precise calc...

cott-qd35 mini audio microphone sound pickup device cctv camera
Specification: 63mm*25mm
Detail: 1.The advanced resin material "honeycomb" collect sound design, completely eliminate "hiss" electronic noise. 2.Use the 0.8mm pinhole type of "the temple of heaven echo wall" principle design , after precise calculation, the ...

cott-qd30 low noise cctv microphone ceiling audio monitoring
Specification: 63mm*23mm
Detail: 1.Specially designed for prison interrogation system of synchronous recording, pinhole type design, hidden installation. 2.The Advanced resin material "honeycomb" collect sound design, completely eliminate "hiss" electronic n...

cott-qd28 hi-fidelity cctv cameras audio monitor voice listening
Specification: 80mm*36mm
Detail: 1:Fidelity Sound Pickup,designed for audio monitoring, the advantages of large monitoring range and high sensitivity. 2:Gold-plated vibration membrane microphone, 5~100 square meters in high fidelity, high sensitivity, high b...

cott-qd25 ceiling smart security cctv audio microphone l
Specification: 80mm*37mm
Detail: Items Performance Metrics Audio Monitor Range 10-100 square meters (adjustable) Audio Transmission Distance 3000m Frequency Response 20Hz~20KHz Sensitivity -40dB SNR 80dB(1m40dB) 50dB(10m40dB) 1KHz at 1Pa Directional Pr...

cott-qd20 dome audio mircophone sound monitor pick up device for
Specification: 72mm*44mm
Detail: 1.QD20 small dome audio pickup, designed for audio monitoring, the advantages of big monitoring range and high sensitivity. 2.Dome appearance, the surface design with four line lattice, better to collect environment sound w...


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