Access control system by Telephone SIPO-TF uses patent technology in public surrounding. (Patent no. 200620017510.0) Access control system by TelephoneSIPO-TF uses patent technology in public surrounding. (Patent no. 200620017510.0) Make use of telephone, mobile phone to...

wireless 2.4 inch video doorphone Wireless VDP 2.4Hz ISM Digital Common Channel with Rome Unlock Fuction factory offer wireless 2.4 inch video doorphone300m transmission distance without block.Free voltage supply range DC3.6V-6V. Door station uses DC12V power supply.Monitor...

Audio Door Phone System Door station(2-16users), Audio door phone system for apartment factory offer Audio Door Phone SystemFlush Mounting Easy wiring and installation Intercom System with Night Vision Function, Can Unlock the Outdoor During the Intercom Functions: With 2-8...

audio intercom Audio door phone for special design 1) Direct calling and dual talking 2)Unlock function  audio intercom Single house door phone applicable to conveniently identify a visitor150 meters effective wiring with 0.8 mm cooper wireCall sound output power is...

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video door phone with CCD camera for villa 1/3-inch CCD Camera with night vision Low power consumption and high resolution video door phone with CCD camera for villa007 (Outdoor Station): Outdoor station, door bell, video intercom, audio/video communication Watching door...

5 Inch color Video Door Phone for Villa 5inch TFT LCD video door phone for villa factory offer CE,FCC,RoHS certification 5 Inch color Video  Door Phone for Villa(1)One door station can support up to four indoor phones. (3)Dual calling, Surveillance, intercom and...

*520TVL CCD camera *30X optical zoom *illumination:0.1Lux/F1.2 *Pan/tilt speed: 0.08~240 degree/sec Specs & Description: 1/4" Sony Exview HAD CCD,30X optical zoom,520TVL,0.1Lux illumination,English OSD menu   *Aluminum alloy structure, better magnetic...

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Audio Door Phone System Door station(2-16users), Audio door phone system for apartment factory offer Audio Door Phone SystemFlush Mounting Easy wiring and installation Intercom System with Night Vision Function, Can Unlock the Outdoor During the Intercom Functions: With 2-8...