2.13 inch ESL Brand: Zkong -Name: Zkong digital price tag ESL electronic shelf labeling system for retail -Size: 2.13″ -Other Size: 1.54 ″, 2.6″, 2.7″,2.9″, 4.2”, 5.8″, 7.5″ 11.6″, 13.3″ -Language:Chinese, English,Polish,Spanish, Russian,Japanese, Thai, Arabic, etc. -Battery Life: 5 years -Display: white, black, red/yellow -Working Temperature:0~45℃ -Certificates: ISO/CE/FCC/ROHS etc -Function: information display, LED light , NFC, store management etc