Features: 1) Material: cold-rolled steel 2) thickness of the door leaf: 5cm/7cm/9cm 3) frame outer size(H*W): a) 2,050 x 960mm b) 2,050 x 860mm c) 1,970 x 960mm d) 1,970 x 860mm 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) Infill: honeycomb material or rock wool 6) Opening direction: inward / outward 7) Opening degree: 110 degrees, 180 degrees 8) Lock handle position: on left / on right 9) Colors: diversified available 10) Applicable for the entrance of houses,apartments,Can also be used as room door 11) High resolution peephole 12) Suitable for different wall thicknesses 13) Shockproof, soundproof, warmth preserved, anti-pry, anti-drill, Moisture proof, Guards against theft 14) Environmental friendly 15) Easy installation and easy maintenance 16) Bright, lustrous and durable appearance 17) OEM service is available