Milesight IoT IoT E-ink Display, DS3604-868M LoRaWAN - 216925

3 * 590mAhCR2450LithiumBatteries SupportMultipleCharactersto Displayup to 150 Languages ProvideAPI for ManagementPlatformIntegrationor Development SupportDisplayTemplateCustomization NFC Enabled IP30 Rated E-ink Screen: 4.2-inch Black &amp White&amp Red E-Ink Screen Resolution: 400 x 300 Pixels DPI: 119 ViewingAngle: 180° RefreshRate: 16s (10°C ~ 40°C)