ESL Display Screen Series - Afatag
$30.00Price
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