classroom response keypads,China classroom response keypads Manufacturers, Suppliers

smallest wireless headphones with TF card

Mar 31, 2013

... the same school (different) at the same time the classroom without using a crosstalk 4. Equipment management more convenient5. Energy ... lithium battery, filling a usable 8 hours Specifications:Frequency response:20HZ-20KHZ Speaker Impedance:32ohmDriver Unit: 40mm HI-FI ... :10meters 360° FM way:GFSK Transmission power:4dBM Frequency response:20HZ-20KHZ Speaker Impedance:32ohmDriver Unit: 40mm HI-FI ...

Supplier: Shenzhen Dayixin Technology Co., Ltd.

[China Manufacturers]

Portable Outdoor Public Sound System AK12-201

Mar 31, 2013

... volumeOn and off switch on the microphoneMicrophone priority functionSensitivity: 97dBFrequency response: 40Hz to 20kHzMuteMicrophone power supply: 9V batteryPower Box: 230V, 50Hz34 ... dancing, gymnastics, demonstration's loud-speaker, recorded, play) *Teaching, Conference, classroom, military training, guide, sales promotion, public sale's loudspeaker recorder ...

Supplier: Guangzhou SHEIR Sound Technology Co., Ltd.

[China Manufacturers]

amplifier professional amplifier audio amplifier switching power amplifier

Mar 31, 2013

1.3channel 2.Meeting room,hotel lobby,dining room,classroom,training room,fitness room,wholesale price karaoke room 3.Top ... (RMS)220W×2 (8Ω)Gross harmonic distortion ..........................<0.1%Frequency response............................20Hz-50KHz (±0.5dB)Slew rate............................35V/usDamping factor(8 ...

Supplier: Ningbo Junpin Electronics Co., Ltd.

[China Manufacturers]

SMD light bulb led 8w

Mar 31, 2013

... cost comparing with traditional bulbs5) Stable:constant current driver,fast response,less heat,easy installation6) excellent photometric design:no ill glare ... : 1. Instead of the traditional incandescent lamp2. meeting room/school classroom/show room3. office buildings/hospitals/factories4. hotels/supermarkets5. other commercial ...

Supplier: Shenzhen Olamda Lighting Technology Co., Ltd.

[China Manufacturers]

2.4G Digital Wireless Audio Transceiver

Mar 31, 2013

... . Latency: < 0.5ms, the shortest in the field;5. Frequency response: 20-20000Hz6. Low power consumption for a wide range of ... channel transformation.Applications1. Wireless audio transceiver can be used in classroom in school, in church, at home entertainment and whenever you ...

Supplier: Soyo Technology Development Co., Ltd.

[China Manufacturers]

Portable Voice Amplifier Megaphone HTY-G588 black

May 05, 2012

... :pink,black,red,white,etc. Specifications: Output Power: 20W Frequency Response: 100HZ ~ 13,000 HZ + 1db Consumption Current: 150mA Voltage: DC ... gives you the freedom to move around your stage or classroom at your will with no leads or cords attaching you ... enthusiasts look for the flatness of the amplifier's frequency response indicating that the device performs evenly throughout all the frequencies ...

Supplier: Dongyang Redsun Electro Acoustic Co., Ltd.

[China Manufacturers]

Infrared Touch Screen (IR Muti-touch touch panel)19"-150"

Aug 26, 2012

Super Transparency;High Resolution;Fast Response Time;Versatile Touch Object;No Drift ... touch screen an ideal choice for interactive presentation, classroom whiteboard, command center, public venue kiosks, info ... easy installationTypical Applications: Boardroom presentation Showroom product demonstration Classroom whiteboard Command centerMall kiosksPublic venue directory Traffic managementHotel ...

Supplier: Yulian Electronic Technology Co., Ltd.

[China Manufacturers]

Po rtable Megaphone With FM&MP3 Player

Apr 16, 2012

... , has protected the throat, but also improves the effect of classroom teaching. Apply to small meetings, parties, indoor and outdoor teaching ... that is putTechnical parameters: output power 18 W (peak)Frequency response 100 Hz-1300 HzConsumption current 150 MaMicrophone sensitivity-53 Dbv ...

Supplier: Shenzhen Jiayida Technology Co., Ltd.

[China Manufacturers]

public address system in Ceiling Speaker

Jan 01, 2013

... 100V5.Suit for indoor, such as supermarket, hotel, commercial building, classroom, etc 6.public address system Ceiling SpeakerModelBL-513ABL-514ABL-515ARated ...

Supplier: Guangzhou AEBELL Electrical Technology Co., Ltd.

[China Manufacturers]

Large size LED IR multi touch screen smart white board tv / IBW (all in on pc tv) slim with usb, wifi optional

Feb 21, 2013

... White Board Application:Widely use to office & hotel meeting, e-classroom, e-school, kiosk, shop window, advertisement, home TV, military ... .282(V)Brightness (nits)500cd/m2Contrast5000:1Visual angle178°/178°Response time6msLife(hrs)>60,000(hrs)Input and outputUSB6 ( For ... , or any opaque.* No drift, no light points. Fast response.* Free correction, drive-free. Easy maintenance* Single-point touch, ...

Supplier: Hebei Huafa Communication Technology Co., Ltd.

[China Manufacturers]

2.4G Professional Digital Wireless Tour Guide System SOYO-WTG02/ audio guide tour guide system/2.4G Wireless Tour Guide System

Mar 10, 2013

... frequency) for Simultaneous Interpretation;Sampling rate 64k, Frequency Response 20-20KHz, HDCD sound quality;Shortest latency(<0 ... UHF, 2400 ~2483MHz Modulation: GFSK Sampling Ratio: 64K Frequency Response: 20 -20KHz Shortest Latency: < 0.5ms The best ... training: schools, training institutes, conference rooms, auditorium, classroom lectures, seminars and other learning activities, special job training ...

Supplier: iTrait Technology (Shenzhen) Co., Limited

[China Manufacturers]

PC All in one Touch TV with LED screen

Nov 06, 2012

... to writing and drawing, it provides other practical function for classroom-teaching and business- presentation; The curtain and backdrop function: The ... Type: Single touch, Multi-touch Gesture Recognition, 2 Point Touch; Response Time: < 10msAntistatic, Antirust, Anti-acid, Anti-dust, Anti-vandal(With ...

Supplier: Shenzhen Xuezhiyou Technology Co., Ltd.

[China Manufacturers]

Smart Interactive Whiteboard with multi-writing and remot writing

Jan 22, 2013

1.Portable,flexible,economic 2.High response time 3.Multi-writing 4.Finger touch will be realized ... and create more opportunities for discussions and interaction in the classroom. Made of a tiny and lightweight material, the PIWB is ...

Supplier: Shenzhen Intech Indesign Technology Ltd.

[China Manufacturers]

Powerful anti-vandal terminal with time attendance,card+keypad,512 cardholder,read write smart card ISO 14443A,RS232

Aug 17, 2012

... , it’s suitable for frequent access place such as hotel, classroom, hospital, etc. It also features an external reader for anti ... sabotage alarm4) Duress alarm in case of emergencyKeypad 3*4 keypads with backlight Input device2 inputs (exit button, door state sensor ...

Supplier: CiVinTec Intelligence & Technology Co., Ltd.

[China Manufacturers]

YIHUA 802 mobile language-specific transmitter

Feb 02, 2013

... products, such as public broadcasting or in the school campus classroom? YIHUA 802 wireless transmitters *Crystal PLL frequency stabilization, the frequency ...

Supplier: Guangzhou Yihua Electronic Equipment Co., Ltd.

[China Manufacturers]

B.TRADIO audio surveillance microphone

May 28, 2012

... . Parameter: AUDIO Monitoring Range 10~40sq.mAUDIO CABLE LENGTH 1000mFrequency Response 20Hz ~ 20kHzSensitivity -40dBSignal-to-noise ratio 65dB,1KHz at 1 ... working temperature: -25~75°C*Widely used in: Police, Jail, Classroom, Army's department.*According with CE standard. B.TRADIO audio ...

Supplier: Beijing Kuaiyu Technology Co., Ltd.

[China Manufacturers]

8 channel Automatic Mixer/Audio Mixer

Mar 31, 2013

... , which are widely used in conference room, the studio, multimedia classroom centre, radio stations, the lecture hall, court and so on ...

Supplier: Foshan Singden Technology Co., Ltd.

[China Manufacturers]

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]

wholesale CO2 detector tool

Mar 02, 2012

... station, theater and other public placesHouse, villa, office, meeting room, classroom and otherplacesGreenhouse, mushroom, grown room and other agricultural applications All ... in use.15 years lifetime of CO2 sensorMicroprocessor control, quick response, high precision Provide up to three 0~10VDC outputs or ...

Supplier: Beijing Tongdy Control Technology Co., Ltd.

[China Manufacturers]

Amplifier Speaker 15Watts with CE Certificate

Feb 27, 2013

... and sound box, featuring stable performance, good frequency response and convenience to use Rechargeable Waist Band Crystal Voice ... or classroom at your will.mini Amplifier integrated with amplifier and sound box, featuring stable performance, good frequency response and ... Model No.KM-670 Technical detailsMaximal output: 15 W Frequency response: 70Hz-12kHz Output impedance: 4Ω Operation voltage: 6- ...

Supplier: Quanzhou Koqi Electronic Co., Ltd.

[China Manufacturers]