Calculator Citizen ECC-310
12-digit display, % key, 00 key, +/- key, Grand Total function, Delete key, Mark-up function, Float key, Root calculation Solar and battery power.Dimensions:184x133x34mm.Weight:183g. Color: black. Eco Complete series /Eco5: Blue Angel eco-certificate, solar powered -no batteries, no need to change batteries, casing made of 70 % recycled plastic, packaging and instructions made of recycled material, packaging completely compostable.