C-7234 Sensor is manufactured from none toxic materials, they hermetical sealed are very safe. The lean of the sensor is activated when its angle will vary in relation with its installation position. The vibration one will operate in all positions, it is very sensitive and it can be used as movement sensor. The lineal acceleration sensor will close its contact if it receives an impact superior to 5G and it opens the contact if the level decreases. The C-7234 movement sensor is omni-directional, and it will open the contact if it is in vertical position and it close the contact when it come back or it is inclined more than 60º.