Details
Hardware features:
- Two-color LED indicates voting status
- Integer input from 1 - 10
- Do single choice / multiple choice / true or false questions
- Credit card size, ultra thin and light design, easy to carry and manage
- 2.4GHz secure closed wireless network
- 30 meters communication range, work for venues with hundreds of seats
- 2 x CR2032 Lithium Coin Battery
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