1,Battery powered,mastered by CPU, infrared-ray induction 2,Reload a new ... wide, dia. ≤ 200mmCertificateCE/ROHS , ROHSPackage4kg/1pcsREMARK: ModelCharacteristicCZQ20AUTO ROLL TOWEL DISPENSERBattery powered,mastered by CPU, infrared-ray induction.Delivers present length of ...