Handheld Inkjet Coder Lines of Print 6 Maximum Character Height 0.5 in Maximum Font Size 36 pt. Compatible Surfaces Cardboard Cement Glass Lumber Metal Plastic Minimum Font Size 5 pt. Minimum Character Height 0.07 in Print Color Black Color Printing Capability Multi-Color Ink Solvent Base Water/Solvent Input Method Bluetooth PC Wireless Keyboard Application Barcodes Prints High Quality Logos Battery Size 1500 (mAh) Color Black Display Monochrome LCD