This telephone extensive application in install defence monitoring field, if ATM takes money machine, near.
The shell of major attribute: Shell：
The material of stainless steel
Handle：
Special ABS material, fight to knock attack , tension and handle send receiver, keyboard, buzzer, circuit board and all shell accessories adopt multilayer waterproof, dustproof structure.
Stability:
Talk about machine stability good, the ability of interference rejection is strong , accords with the national standard easy operatingness of GB/T15279-94
Easy to operate
press the button, need not dial , put through control center voluntarily;
If have urgent condition, control center can also return group immediately , need not be any and operating , put through megaphone voluntarily to cry out words