No consumables, Eco-friendly, Dust-free, No odor pollution,No mess, Green and clean.
Non-backlight display technology, reflecting by natural light, no radiation, protecting eyesight, without any stimulation, good for health.
Private & secure, perfect for high-security environment, no ghosting,no paper trail, can't be hacked.
Suitable for various places, such as home, office, classroom, tuition center, meeting room, hotel, restaurant, coffee bar,pub,etc...
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