Адрес: Room 5-32,Chuangye Center,Science and Technology Park, Ningbo, Zhejiang, China (Mainland) Zip: 315040
Телефон: +86-574-87905127
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Product Name: Visual PresenterModel Number: 2000APlace of Origin: ChinaThe visual presenter is a full-automatic multifunction visual presenter. It capturesall types of presentation materials, such as papers, 3D objects and transparencies.It can be widely used in classrooms or meeting rooms for better school or businessdemonstration and the digital visual presenter (video visualizer) can displayprinted matter, overhead transparency, slides, X-ray films, and solid objects onthe interactive whiteboard.Technical parameters:1) Model no.: BL-2006A2) Optical system lens F=1.4-2.7, F=3.9-64.2mm3) Shooting area: 300 x 230mm (max.); 28 x 21mm (min.)4) Optical zoom: 12X5) Digital zoom: 8X6) Focus auto / manual7) Brightness adjustable8) Video system image sensor: 1/4 inch color CCD9) Total pixel: 470,00010) Horizontal resolution: ≥470 lines11) White balance: auto / manual12) Picture memory: 1 - 32 pictures (NV)13) Image freeze: yes14) Color / B&W switch-able15) Positive / negative switch-able16) Connections: input RCA/75 x 1; output RCA/75 x 217) S- port input / output mini DiN4P x 118) RS232 control19) Supplied voltage: 160 - 240V, AC, 50 - 60Hz20) Power consumption: ≥30W
Features:1) It will light automatically in case of any sound and shut off after a certaintime2) Built-in light control circuit: idle at day; works at night or in case the placeis dim lit (adjustable)3
This switch can be programmed to turn itself on automatically at any time of a 24-hourperiod of five hours and then turn itself off.Main functions:1 Delay off function and programmable2 Timer on funct
Main function of this system:1) Record and play,teachers speaking,FM/tone frequency sending,broadcast receiving and teaching material edition.2) 100 sending frequency bands available,for adopting the
Product Name: Wireless Language Learning SystemModel Number: HD-IIIPlace of Origin: ChinaMain function of this system:1) Record and play,teachers speaking,FM/tone frequency sending,broadcast receiving
Specifications:1) Frequency range: 40MHz - 862MHz2) Nominal gain: 12.5dB±23) Adjustable gain range: 0 - 12dB4) Return loss: ≥10dB5) Voltage range: 230±10%6) For enhancement of antenna
Specifications:1) Frequency range: 40MHz - 862MHz2) Nominal gain: 12.5dB±23) Adjustable gain range: 0 - 12dB4) Return loss: ≥10dB5) Voltage range: 230±10%6) For enhancement of antenna
BL-2000A multi-media meeting integrated control system offers a finest scheme formulti-media equipment and environmental facilities centralized control. It integratesthe operation of multi-route signa
BL-2000A multi-media meeting integrated control system offers a finest scheme formulti-media equipment and environmental facilities centralized control. It integratesthe operation of multi-route signa
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