--Aluminum Body 1.2m, With Ruler
--Cast Iron Tripod Stand, With Adjusting Screw
--Digital Timer 0~9999ms, Can Use AC/DC Power, With 4 Batteries, Base With Magnet
--Photo Gate 2 pcs, With Indicator
--Top Part With Electrical Magnet, With Lead Weight For Vertical Calibrate
--Steel Ball 5 pcs