Made of ABS+PC Plastic with flexible 8.5" LCD screen.
Alternative to paper
Power/Technology: Output: 3V; Input pressure: 100-130G*; Reflective index: 25-30%** [*Do not press too hard or write with objects other than stylus included in order to avoid damaging the screen.**Screen (like most smartphones) can be adjusted for optimal brightness.]
Uses one button cell battery (type CR2016) included and replaceable