YASONG SLA-PT8020 Laser Vehicle Height Detection System, 10m/20m Range, Auto Calibration, 120dB Alarm, IPX5/IP65 Bike Alarm Siren This model supports built-in tone

This model supports built-in tone mode

45W alarm power and a red LED strobe warning light for factories

IP65 portable housing for outdoor warning applications

Less than 0

Bolt base or magnet base options for different installation needs

YASONG SLA-PT8020 Laser Vehicle Height Detection System, 10m/20m Range, Auto Calibration, 120dB Alarm, IPX5/IP65 Bike Alarm Siren This model supports built-in toneThe YASONG SLA PT8020 vehicle height detection system creates an invisible laser safety line across a passage and continuously monitors approaching vehicles or obstacles. When a target enters the preset detection zone, the detector keeps the alarm output active until the target leaves, helping prevent overheight collisions at tunnels, bridges, and industrial entrances. Choose the 0. 510m or 0. 520m detector version. Automatic calibration sets the