1. Provide 3-D operation functions : Pressing, LED indicator, and sound warning.
Wide range of applications especially for accessible environment.
2. Stand-alone and driven modes. Big triple-color Bar and buzzer available for user to adjust under driven mode. Volume of buzzer is able to adjust under either mode.
3. Built-in micro-computer control. Two sets of output points to adjustoutput time.
Buzzer sound is accompanied with output. It is also available to set as intermittent reminder before completion of output.
4. Push bar can be activated permanent mechanically by a lock.
5. When its electronic control is out of order ( power cut or malfunction of internal board ), it will Automatically change to mechanical control without output delay function.
