Alarm way:Audio Alert,and LED Location lamp work at the same time . Detection Zone: 6/33 zone Display ways: 8 status led display Sensitivity:0-99 adjustable Tunnel Size:200（L）*68（W）*56（H）cm Dimension：222（L）*80（W）*67（H）cm Net Weight:60kg/set   Gross Weight:70.5kg/set Package Size:  Main Body:   230*72*25cm(2 piece /carton)/ Host Machine:78*47*28cm(1 piece/carton)