The 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 classroo

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

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