3 models of weighing indicator are available for you. The indicators have variety of basic and extended functions. The very high quality PCB board and components we use get these indicators reliable performance in long term. T35 and T32 series adopt the built-in-board power supply module, the external adapter is no need for these two models. NI-MH chargeable battery is available in T35 and T32. Both of them could use square or round column by using the different connector.