1.Shock-resistance >1000g, 2.broad voltage supply, 3.Reverse voltage protection, 1,One axis tilt switch,2, Measuring range of 360 degrees,3, Two way alarms,4, Relay and RS232 output,5, alarm angle and delay can be set,6, Accurcry of 0.5 degree,7, Size: tilt switch, with 2 way alarms,1 axis ,360 degrees