2: 3 key memory
3: large angled display
4: square root.
5: durable plastic keys
6: Double zero key
7: Percentage key
8: Backspace correction key
9: Power off key
10: Dual-powered by solar and button battery
11: Battery(included): 1XG10
*Product size
158*105*19mm
*Packing way
every pc pack into an opp bag, 60pcs pack into the inner box, 2 inner boxes pack into the master carton
