VIANS VI-S203 80KG Concealed Door Closer – Hydraulic Fire Door Closer with Hold-Open, Adjustable Speed, EN3-4 Audio & Video Cables wideband audio Microphone Boom mic

wideband audio Microphone Boom mic with noise cancellation Frequency Response Speaker: 20 Hz – 20 kHz

Connectivity: USB-C for fast charging

Modern grey fabric with minimalist design

Typical electricity consumption (TEC): 0

VIANS VI-S203 80KG Concealed Door Closer – Hydraulic Fire Door Closer with Hold-Open, Adjustable Speed, EN3-4 Audio & Video Cables wideband audio Microphone Boom micThe VIANS VI S203 is a concealed hydraulic door closer designed for fire doors and commercial applications. Installed within the door leaf and frame, it provides controlled and smooth door closing while maintaining a clean appearance and reducing vandalism risk. Product Parameters Model VI S203 Product Name Big Door Closer Lock Size 205 42 64 mm Fix Size 188 19 mm Max Door Weight 20 40 kg Max Door Width 1100 mm Max Opening Angle 180 Spring Power EN34