Dimensions: approx. 26.5 cm x approx. 17 cm deep x approx. 16 cm high-- always measured the widest point--- Material: Shell--- is slightly dirty, has fine scratches, chipping (please see pictures) and has NO data sheet---- I tested the device - it worked, I give no warranty period and no device warranty and no warranty--- Commercially available pears can be used, for this purpose, the complete bracket must be unscrewed---- Insured shipping is possible in Germany with DHL (with tracking)