In addition to facilitating standards-based radio frequency communication, the Q2 uses a three-row custom e-Ink display that supports display of three-digit numbers, right/wrong feedback, low battery, and 'mode' indicators. It also allows numerous question types, including Multiple Choice, Numeric, Yes/No, True/False, and Rating-Scale.

Main Features:

• Three-row custom e-Ink display
• Right/wrong feedback
• Multiple Choice, Numeric, Yes/No, True/False, and Rating-Scale among others
• Smaller than Q4, lighter and improved battery conservation

Specs:

• 2-way RF
• 802.15.4 RF standards compliant
• E-ink display technology
• 11.5cm L X 5.2cm W, depth 1.6cm
• Weighs 2.05oz
• Uses two AAA batteries