Upgrade Single Peron Soundrpoof Phone Booth

Upgrade Single Peron Soundrpoof Phone Booth uses an LCD touch screen speed and dimming system; automatic sensing fresh air system, closed ventilation duct, better sound insulation (meeting 100m³/hour, ventilation once a minute); the top is equipped with an adjustable speed, large air volume and low noise fresh air system, and the bottom is equipped with an ultra-quiet exhaust fan;Active air exchange system (automatic air exchange, meeting 100m³/hour, can independently set the cycle and timed exhaust time) Even if no one is using it, the air can still pass through the active air exchange system to keep the internal air fresh at all times; Automatic human presence radar sensing lighting system, which can keep the lights on when people are there;