Hollow shutter window

Hollow shutter 1.Privacy Easy to clean 2.Thermal insulation 3.Sunshade 4.safety 01-Product Name: Hollow shutter, Insulated glass with electric blind . 02-Product Preview: A new sunshine product,which can adjust the light transmission for sure the indoor light. 03-Product Features: 1.Privacy Easy to clean 2.Thermal insulation 3.Sunshade 4.Safety 04-Specifications: Thickness:4+19A+4mm< 5+21A+5mm,as requested. Max. Size:H3000*W1500mm(motor-driven) H2400*W900mm(Manual ) H3000*W2400mm(Button) 05-Product type: 1. Low-e Hollow shutter 2. Single side manual operate ---------(up and down control) 3.Double side manual operate------(up and down control, light adjust) 4.Electric hollow shutter by remote control --------------(up and down ,light adjust)