This is a limited edition product, and may be sold out at the time of your order. Mini desktop calculator with 2 tax rate settings keys; 10 digits; Antibacterial type; Solar and Lithium battery (LR44); Easy to read "million units" function. 3-digit automatic level: yes, Auto power-off: yes, Power supply: solar and lithium battery (LR44); Tax calculation keys: yes; Memory: y; W tax rate: W tax rate; Accessories: Japanese instruction manual; Product size (H x W x D): 4.1 x 5.8 x 1.0 inches (106 x 147 x 25 mm); Weight: 4 g).