ESL Display Screen Series - Afatag

Specification/Version	SF-E3E42R (4.2 inch)	SF-E3E29R (2.9 inch)	SF- E3E21F
Size (mm)	102×88×10	102×42×14	70× 33× 13
Resoution	400×300	296×128	212×104
Display	E-ink	E-ink	olyi
Communication	WIFI/2.4G	WIFI/2.4G	APP+OTG
Battery	4 CR 2450 (up to 10 years)	4 CR 2450 (up to 10 years)
Temp	32°F - 104°F	32°F - 104°F	-13ºF - 50ºF

 

SF- E3E21F

Weight:

35 g

Colors:

EPD black/white