EC-339 (650-0939) Specifications Faxback Doc. # 8506 Memory Capacity..........................................Two 32Kx8 bit SRAM Display Element........................................6 Linex24 Characters 5x5Dot/Character+Indicators Batteries Used.................................2 CR2430 Lithium Battery For 1 CR2016 Lithium Battery For Back-up Memory Size.......................................41/4x25/8x5/8 inch (109x68x16mm) Weight......................................................4.4oz. (125 gm) (RLR-10/22/93)