1) Material: cold-rolled steel 2) Thickness of the door leaf: 5cm/7cm/9cm 3) Frame outer sizes (H x W): a) 2,050 x 960mm b) 2,050 x 860mm c) 1,970 x 960mm d) 1,970 x 860mm and customized 4) Accessories: adjustable reinforced hinges, specialty multi-point lock, handles, peephole, hidden doorbell, rubber seal and magnetic seal, doorbell, installing bolts, stainless steel threshold 5) Infilling: honeycomb material or polyurethane 6) Opening direction: inward / outward 7) Lock handle position: on left / on right 8) Colors: diversified colors available 9) Shockproof, soundproof, warmth preserved, anti-pry, anti-drill, moisture proof, guards against theft 10) Environmentally friendly 11) Bright, lustrous and durable appearance