classroom response systems,China classroom response systems Manufacturers, Suppliers

E-learning WT-S866 digital language laboratory

Feb 14, 2012

... connected with personal Computer. Only needs one computer in one classroom.WT-S866 digital language laboratory system supports users to connected ... take part in any group to tak to students. 5.Response The teacher can answer the call from students 6.Call ...

Supplier: Shenzhen Winta Electronic Co., Ltd.

[China Manufacturers]

white mp3 earphone

Mar 31, 2013

... players High quality,competitive price OEM/ODM welcome mp3 earphoneFrequency response: 20Hz to 20kHzDriver unit: 10mmImpedance: 16ΩSensitivity: 105dB/1mWRated power ... jack, such as MP3, CD, DVD players and portable game systems with 3.5mm earphones socket.

Supplier: Dongguan Kaiwei Electronics Co., Ltd.

[China Manufacturers]

gsm fixed wireless terminal quad band FWT

Mar 08, 2013

... out) 7)Backup lithium-ion battery(optional) 8)Connects Alarm systems for security use 9)Provides reversal polarity signal for metering ... sms string must be separated by ','-->if the carrier no response in 3 minutes, fwt will not forward sms to you ...

Supplier: Shenzhen Etross Telecom Co., Ltd.

[China Manufacturers]

Stage monitor speakers-LA215M

Mar 31, 2013

It could be used as stand-alone systems or combined with SB1000Z subwoofer for a compact concerning. We ... , pristine high-range. It could be used as stand-alone systems or combined with SB1000Z subwoofer for a compact concerning. Professional ... to carry and fix Specifications: Components:15” LF + 2” HFFrequency Response(+/-3dB) :69Hz-18kHzSensitivity(SPL1W/1M) :97dBNominal Impedance:8ΩPower Handling ...

Supplier: Guangzhou Hongxiang Audio Equipment Co., Ltd.

[China Manufacturers]

DSSS Simultaneous Interpretation System TC-RF08F

Mar 31, 2013

... : DSSS technologyFrequency band: 24002500 MHzFrequency spacing: 5 MHzFrequency response: 20Hz-20kHzChannel separation: >70dBRF output power level: 700mVRF ... designed to avoid interference when multiple GONSIN DSSS systems are used at the same venue or building. ... bass frequency technologyStereo Headphone TC-D3Ergonomic designSuper heavy bassFrequency response: 20 Hz - 20 kHzImpedance: 32 ohms ±15 ...

Supplier: Guangdong Gonsin Digital Equipment Corporation

[China Manufacturers]

Electrical Contacts Wireless Temperature Measurement Device/Thermodetector

Mar 31, 2013

... voltage, rated power resistive load AC220V 5A.Product featureBW700 wireless systems designed for real-time monitoring of the operating temperature of ... power consumption, equipotential measurement, data wireless transmission, high precision, fast response, flexible operation, convenient networking and other advantages.

Supplier: Anhui Bowei Electronics Technology Co., Ltd.

[China Manufacturers]

waterproof mp3 player swim+FM radio,IPX8 waterproof Diving sport player

Mar 31, 2013

... level- Applicable FLASH type compatible with 34 Nm (MLC)- Frequency response range 20 Hz-20 KHz- Maximum output power (L) 9 ... : 0 - 50 deg C- SNR (Signal to Noise Ratio): >85dB- Systems: Windows 98SE/ME/2000/XP/Vista, Mac OS 8.6 ...

Supplier: Shenzhen IME Century Technology Co., Ltd.

[China Manufacturers]

Digital Voice Recorder

Feb 05, 2012

... :Full rate USB1.1(read 1000k Byte, write800k Byte)Support systems:Window98/SE/ME/2K/XP, Mac OS10, Linux2.4.2PowerTwo ...

Supplier: Shenzhen Zstar Technology Ltd.

[China Manufacturers]

Easy installation Honeycomb Panels for Floating Roof & Seal

May 25, 2012

Honeycomb Panels for Floating Roof & Seal for tank systems Key words :Honeycomb Panels for Floating deck. Honeycomb Panels for ... easy installation Basic info:To keep up with overwhelming customer response ,Hongzan factory expanded rapidly, sum up a lot of useful ...

Supplier: Foshan Hongzan Building Materials Co., Ltd.

[China Manufacturers]

bathtub frameless sliding shower room&shower screen

Mar 19, 2013

... match your particular product design needs.We offer give fast response times and quick delivery.In addition,we offer new and ...

Supplier: Wenzhou Topson Construction Materials Technology Co., Ltd.

[China Manufacturers]

automotive lighting vents

Feb 18, 2013

Automotive lighting Vents allow rapid exchange of air in response to pressure changes and allow internal moisture to escape ... Automotive Vents for lighting allow rapid exchange of air in response to pressure changes and allow internal moisture to escape. These ... fewer condensation events and faster clearing times than other venting systems. The results are lower expenses for testing and design, ...

Supplier: Pan Asian Microvent Tech (Changzhou) Co., Ltd.

[China Manufacturers]

WIFI time attendance with access control system

Mar 31, 2013

... big capacity FLASH, it is easy to integrate with various systems.. ARM9 platform support enterprise VPN..GPRS/CDMA /WIFI access control ... , 38400BPSVerification mode1: N, 1:1FAR<0. 0001%FRR<0. 01%Response time<0. 7 secondWireless CommunicationGPRS/CDMA/WIFIAlarm clockEmbedded alarm clockExternal ...

Supplier: Shenzhen Jiayijie Technology Co., Ltd.

[China Manufacturers]

Sound Pickup

Mar 31, 2013

... a professional product specially designed for supporting use of security systems, like CCTV surveillance, burglar alarm, etc. It is for monitor ... . Specification Item Parameter Monitor Range 80~160 square meters Frequency Response 200Hz~10kHz Sensitivity -60dB Directivity Omni Dynamic Range 35dB (1KHz ...

Supplier: Shenzhen 3rd Eye Electronics Co., Limited

[China Manufacturers]

Polarization Maintaining Isolator

Dec 03, 2012

... all those components Quality: superior performance, excellent reliability Service: fast response, short leadtime Polarization Maintaining Isolator

Supplier: Advanced Fiber Resources (Zhuhai) Ltd.

[China Manufacturers]

API Standard DDZ (MG) Type Drill Pipe Elevators, Drill

Apr 01, 2013

... for handling taper shoulder drill pipe with the Top Drive Systems in oil and gas drilling operation, DDZ(T) drill pipe ... to send your enquiry to us. We will make quick response upon receiving your detailed enquiry.

Supplier: Zhengzhou Sapwells Trading Co., Ltd.

[China Manufacturers]

Slab Arc No Spray Machine

Apr 01, 2013

... compositionThe system consists of body mechanical systems, descaling system, XY axis linear implementation of writing systems, feeding wire system, electric arc fuse ... system, accident, the report records, historical trends can be direct response, It is conducive to analyze and judge for technical and ...

Supplier: Beijing Zhongyuantong Science And Technology Co., Ltd.

[China Manufacturers]

mobile drilling rig,ZJ70/4500DB

Feb 17, 2013

... high-quality rolled steel,punctual delivery,Electric generators and control systems are from Japan and United States,such kind of ... and accurate and mechanical penetration is increased. As emergency response to main system failure, maximum drill string weight can ... focus on acquisition of data and optimize drilling parameter in response to well condition and engineering instruction to realize safe, ...

Supplier: Chengdu Zhonghang Machinery Co., Ltd.

[China Manufacturers]

three-head hanging arm special welding machine

Sep 07, 2012

... response, high control precision, in order to obtain high-quality solder joints to provide protection. With 9 sets of welding systems, welding systems ... life. → Japan Tamagawa Servo Motor of easy to control, fast response and high accuracy. → the U.S. and Japan Motorola integrated ...

Supplier: Huizhou Hwashi Welding Equipment Co., Ltd.

[China Manufacturers]

Hand Sensor Door Switch

Apr 01, 2013

... , a longer service life.Adopt high-sensitivity infrared tubes, quick response for door opening.--------------------------Technical ParametersSupply power: AC/DC 12V~36VStatic ... Auto Door Co., has specialized in manufacturing automatic door opening systems since 1998 over which period we have developed a large ...

Supplier: Qingdao SungShin Autodoor Co., Ltd.

[China Manufacturers]

base jack

May 02, 2012

... of scaffolding and guardrails in China. Our products include scaffolding systems ,such as cuplock,plettac,ringlock,kwik-stage,frame,guardrails and ... : We are looking forward to cooperating with you and your response.Best Regards base jack

Supplier: Tianchang Huali Machinery Industry Co., Ltd.

[China Manufacturers]