Module size: 20.5mm × 41mmModule Weight: 57gDisplay capacity: 16 × 2 characterChip Operating voltage: 4 . 5 - 5 . 5VWorking current: 2 . 0mA (5 . 0V)Module optimum operating voltage: 5 . 0Vcharacter size: 2 . 95 × 4 . 35 (W × H) mm