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4.2-inch electronic shelf label

4.2-inch electronic shelf label

Basic Parameters
Model E-J42
Dimensions 100.2 × 92.3 × 12.3 mm
Color White
Weight 100 g
Operating Temperature 0°C–40°C
Operating Frequency 433–470 MHz
Communication Distance 100 m (tested in open environment; actual distance varies by environment)
Update Speed Approx. 800 labels/hour
LED Supports 7 colors, programmable control for on/off and duration
Button Supported, with button event feedback
Display
Display Technology Dot Matrix E-Ink (EPD)
Screen Size 4.2 inches
Display Colors Black, White, Red
Display Dimensions 84 × 63 mm
Resolution 400 × 300 pixels
Pixel Density 120 DPI
Contrast Ratio 8:1
Viewing Angle 170°
Display Capabilities Supports any language, fonts, font sizes, barcodes, QR codes, etc.
Battery
Battery Parameters 3V CR2459 button battery × 6, 3600 mAh
Continuous Use Time Approx. 5 years (2 updates/day)

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