Brand: Zkong -Name: ESL price display tag 7.5 inch E-ink BLE Electronic shelf price label -Size: 7.5 ″ -Other Size: 1.54”, 2.13″, 2.6″, 2.7″,2.9″, 4.2”, 5.8″, 11.6″, 13.3″ -Language:Chinese, English,Polish,Spanish, Russian,Japanese, Thai, Arabic, etc. -Battery: 2400mAh/5 years -Display: white, black, red/yellow -Working Temperature:0~40℃ -Certificates: ISO/CE/FCC/ROHS etc -Function: information display, LED light , NFC, store management etc