... large scale size, energy saving4) Cooperation style:We sell production machine and relating production techniquesRemark: please contact sales ... 1-5mm, brightness: 5-70CD/m²Application condition: 110V, 400-800Hz or 220V, 50Hz, material: glass panelCharacteristic: long lifetime ... 2-5mm, brightness: 5-50CD/m²Application condition: 110V, 400-800Hz or 220V, 50Hz, material: metal panel Characteristic: ...