... colors sound &heat proof, burgary proof electric roller shutter window and door Electric roller shutter window and door Material ... SLM45,SLM59,SLM92,Outside motor Operator way: Electric with Manual, pure electric and remote-controlled operation, After the window ... / galvanized Guarantee period : 2 Years Rolling shutter function: Anti-sunlight, anti-rust, anti-lacerated , anti-mosquito , water-proof, ...