Brand: Zkong-Name: esl pretium propono tag 7.5 inch E-ink BLE Electronic fasciae pretium label-Size: 7.5-Alia: 1.54”, 2.13″, 2.6″, 2.7″, 2.9″, 4.2”, 5.8″, 11.6″, 13.3″-Language:Seres, Anglica, Polonica, Hispanica, Russica, Iaponica, Thai, Arabica, etc.-Battery: 2400mAh/5 years-Display: album, nigrum, rubrum / yellow-Working Temperature:0~40℃-Certificatae: ISO/CE/FCC/ROHS etc-Function: informationes propono, lucem duxi, NFC, procuratio copia etc