Characteristics:

1, can be stored in a group of speed dial numbers, terminal customers through the keyboard can automatically store / delete
2, a group of switch signal output
3, the calling party hang up, the machine automatically hang up
4, press a button call, simple operation
5, has many years of user experience, practice has proved stable and reliable performance, the fault rate is very low
6, the casing of the telephone with a 1.5mm thick steel plate,
7, button used 304 stainless steel, the service life is more than 2000000 times. The waterproof effect of up to IP67, feel good! Durable.
8, excellent waterproof performance, all seams we all have unique design, even if the long time the rain, water can also be discharged through the guiding groove
9, simple installation, easy operation, reasonable structure, modular design, easy maintenance
10, press a button and call, alarm immediately and quickly

Application
1, for the cell door, guard / visitors and owner.
2, for spots / show / large social group activities / large venues such as customer service telephone