4 * 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries
or Type-C Port Power Supply
E-ink Screen / Smart Display
NFC Enabled
Emotion Indication
Equipped with Traffic Light Indicator and Buzzer Alarm
IP30 Rated
Temperature
Humidity
PIR
Light
TVOC
Barometric Pressure
Carbon Dioxide (CO2)
PM2.5 & PM10