VIANS VI-S505 100KG Concealed Door Closer – Hydraulic Fire Door Closer with Hold-Open, Adjustable Speed, EN3-4 Hohem stand out on stream with

stand out on stream with a headset that’s styled to match your personality

and a mechanical key for backup

Type: Pole mount for surveillance cameras

Wireless: Wi-Fi 5 (RTL8822) or Wi-Fi 6 (AP6275P)

Enhanced Sound Quality: Custom-tuned 32mm dynamic drivers deliver clear and precise sound

VIANS VI-S505 100KG Concealed Door Closer – Hydraulic Fire Door Closer with Hold-Open, Adjustable Speed, EN3-4 Hohem stand out on stream withThe VIANS VI S505 is a concealed hydraulic door closer designed for heavy doors in commercial and public buildings. Installed inside the door leaf and frame, it offers controlled door closing, improved aesthetics, and reduced risk of vandalism. Product Parameters Model VI S505 Product Name Big Door Closer Lock Size 238 60 40 mm Fix Size 188 19 mm Max Door Weight 40 100 kg Max Door Width 850 1250 mm Max Opening Angle 180 Spring Power EN34 Closing Speed