Dot matrix electronic esl e ink display

Place of Origin: Guangdong, China (Mainland) Brand Name: COMER Model Number: KM-E21 Effective display region: 48*23mm Resolution: 212*104pixels Physical dimension: 75*40*16mm Battery: CR2450*2 Weight: 40g Applicable scene: Shelvesbooks Screen: Electronic ink screen,electronic paper screen Display Format: Dot matrix pixel display Viewing angle: 175 Packaging & Delivery Packaging Details Packing specifications: 44 * 31 * 23cm Packing number: 280pieces/ 14.5kg Packaging material