abilities. Can write your own research program, also can send friend or send to parents, personally produced gift full of deep feeling.
• Size: 81mm x 81mm x 1.6mm • PCB thickness: 1.6 mm • Material: FR4 military level • PCB color: Blue • Digital Tube display: Red
• Power supply voltage: mini USB, external connection 5V ,3V button battery for clock chip on the board of the standby power supply