STag21F features the latest e-ink display technology with IP67, it can work efficiently even in -25 °C environment. They are best suit for fresh food, etc.
SPECIFICATIONS: Dimension External : 73*36*14mm Active Screen Area : 49*24mm Screen Size : 2.13 inches Resolution : 250*122 Pixel Density : 130 dpi Weigt : 31 g Display Colour : BlackWhiteRed / BlackWhiteYellow / BlackWhite
Battery Type : CR2450*2 Battery Lifetime : Approximate 5 Years (5 Updates/day) Display Technology : EPD Communication Protocol : Blueth Low Energy 5.0 Viewing Angle : Near 180 Viewing Angle Operating Temperature : -25℃-25℃ Storage Temperature : -25℃-60℃ Fucntion : NFC (Otional) IPX7 Attachement : Shelf Rail / Bracket / Ice Plug etc. Compliance : BQB/FCC/CE/RoHS
