Kids Writing Board Drawing Board 10 inchMaterial: ABS+ Electronic PartsInput Pressure: 10~20input Voltage: AC 36VFrequency: 1HzSize: 28x18.5x0.5cm Power supply: 1 x CR2020 button batteryWeight: About 180gSpecial and creative color displaySize: approx. 286*192*9.5 mmPackage included:1 x 10 Inch ..