ZKE21V
2.13″
Black-White-Red-Yellow
Descripción
– EPD / E-ink Screen
– BLE 5.1 with ultralow-power consumption
– Dimension：70*34.5*12.1mm
– Working Temperature：0~40℃
– Battery：1200mAh / 5 Years
– 2.13″ Dot-matrix E-paper
– LED Indicator
– Removable Battery
– NFC
