Feature:

* Adopting quad-core CortexTM-A7 architecture processor, equipped with Android 7.1 system.

* 3.97-inch full-color touch screen, which can display system status and operation instructions.

* Adopting zero lamination technology to effectively prevent light reflection.

* Adopting wifi 2.4G data radio frequency communication technology, which is convenient to use without wiring.

* Adopting AES algorithm, with advanced data encryption standard, can effectively resist all known attacks against DES algorithm, and ensure the security of data transmission.

* The data transmission rate can reach up to 300Mbps, providing efficient data computing capabilities and ensuring fast and stable data transmission and processing.

* Support voting function:

(1) Support multiple voting forms such as multiple-choice voting, single-choice voting, time-limited voting, scoring voting, etc. Support setting anonymous and non-anonymous voting

(2) A voting question supports the setting of 10 voting options, and the content of the options can be customized by the user, providing flexible and diverse choices; the function keys Agree/Disagree/Abstention are displayed in different colors.

(3) Support the custom setting of voting templates, and support setting 10 templates; users can use them directly according to the needs of the meeting; the maximum scoring range is 0-100, which can be set freely according to needs.

(4) When voting and elections are initiated, users can be prompted by means of screen flashing and beeps; when the device is locked, the screen will automatically light up and display voting reminders; the results can be displayed in various ways such as bar charts, pie charts, and digital texts.

* Support custom government blue, government red, colorful variety and other theme styles.

* Support the low battery warning function, and remind the user that the battery is too low through the warning message pop-up window and the low battery prompt sound.

* Support unified management function, supports one-click shutdown of all devices in the background, and support viewing information such as power, name, and signal strength of all devices.

* Support the call service function in the meeting, and check the service needs of the participants through the PC platform.

* Support system detection function, can detect the working status of each unit online, and can accurately locate faulty units; support system repair function, when the system has an error, it will automatically recover; support system upgrade function.

Specification: