This hight quality inductive proxmitiy switch from contrinex features very long switching distances and an exceptionally good switching point temperature stability detailed information can be found in the data sheets which are available on the internet at wwwconradbizled for battery status display auto power off after appriox 30 ssuitable for testing various sensor types with an operating voltage of 10 to 30 v dc connection option for pnp and npn devices normally closed and normally ope