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: Digital Visual PresenterModel Number: 2800HV, 2800SVPlace of Origin: ChinaThe visual presenter is a full-automatic multifunction visual presenter. It capturesall types of presentation ma

Earphone:1) Impedance: 2 x 8, 2 x 16, 2 x 32, 2 x 402) Sensitivity: 110±3dB3) Frequency range: 20 - 20,000Hz4) Rated power: 2 x 100mWMicrophone1) Impedance: 1,800, 100, 2002) Sensitivity: -48

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

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

Product Name: Intelligence SwitchModel Number: 07-01APlace of Origin: ChinaThis switch can be programmed to turn itself on automatically at any time of a 24-hourperiod of five hours and then turn itse

CharacteristicIt has computer and movable keyboard two operation ways. The teacher recorder, which uses imported electricity-controlled movement, film button and liquid crystal Display with a large sc

Product Name: Laboratory Language SystemModel Number: BL-2066APlace of Origin: ChinaCharacteristicIt has computer and movable keyboard two operation ways. The teacher recorder,which uses imported elec

We can supply BL-2086A model digital language learning system, which adopts advanced digital and network technologyBL-2086A model digital language learning system, which adopts advanced digital and ne