... and selectable time power off ) RS232 interface can connect to a PC or printer Unit convertion:kg,g,oz,lb Check weighing ... function with Hi Lo Ok and beep alarm . Connect to ... Max. resolution 1/30000, 19 keys(including function and number keys), 3kgx0.1g, 6kgx0.2g, 15kgx0.5g ... 1/60000, 19 keys(including function and number keys), 6kgx0.1g, 15kgx0.2g, 30kgx0.5g