LRAD1405 50W Special Acoustic Hailing DeviceNovember 15, 2019LRAD1405 acoustic hailing speaker can be clearly heard by vehicles 100m away, suitable for remote amplification and emergency weather forecast on the highway; It can be used in special places such as ...view
WJ-25 400W Acoustic Hailing System Auxiliary SpeakerMarch 22, 2017This product is a 400W all-weather acoustic hailing device.view
LA1521H 600W Acoustic Hailing DeviceApril 17, 2017viewwe will contact you within 24 hours.
What is the Difference between Professional Video Conference Terminal and Ordinary PC TerminalNovember 6, 2020Nowadays, more and more companies use video conferencing. For some software video conferencing, ordinary PCs can also be used for video conferencing. Then, can ordinary PCs replace video conferencing ...view
The Strongest Escort for College Entrance ExaminationNovember 29, 20162015 College Entrance Examination in China has been pulled down the curtain.DSPPA and its dealerChangchun Hanrui Electronic Co., Ltd had made a perfect ending for this examination,providing a stronges...view
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