Display : E-ink Epaper Display Screen Size : 4.2 inch Resolution : 400(H)*300(V), 120DPI Feature : Three color (B/W/R) LED : Available, R,G,B Battery : 3 * CR2450 Power Life: more than 5 Years Frequency : 443MHz Multi language : Available Working Temperature : 0 - 40 What is Suny Electronic Shelf Label? Our Electronic Shelf Label System make up by three parts: Electronic Shelf Label, Base Station, Software. Working principle : PC(software) control Station by LAN, Station control price tag by Wireless(433MHz). MOQ=100PCS
