Brand: Zkong -Name:Wireless BLE Tag with NFC Epaper Price Tag for Convenience Store -Size: 13.3 ″ -Other Size: 1.54″, 2.13″, 2.6″, 2.7″,2.9″, 4.2″, 7.5″ 11.6″ -Language:Chinese, English, French, Thai, Arabic, Spanish, Portuguese 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