Innovera handheld calculator, hard flip case, 8-digit lcd, dual power, silver convenient handheld calculator with protective hard case. Impossible to lose–hard case flips away when in use. Dual solar/battery-powered for all lighting conditions. Large 8 digit display with 3 memory buttons. Power source(s): battery; solar; display notation: numeric; number of display digits: 8. larger quantity quotes available. Please call 1-888-978-7759. this product arrives to most customers in 2-3 business days.