Safety 360° : solid CO2 shieldedwelding, fully enclosed steel box;High strength anti-drilling board at key positions;Double protection: the combination lockand anti-theft mechanical lock are effective at the same time to open thedoor;ESD antistatic > 6000V;

Scientific design: electronic password lock, three times insuccession, keyboard lock for 15 minutes;Hidden code display.

Craftsmanship: import core parts andSMT process;Corrosion - resistant phosphating pretreatment and high - voltageelectrostatic powder spraying process.

Low energy consumption: 4 batteriespower supply, environmental protection and durability, dynamic life of morethan 6000 times, static standby for more than 4 years.

Humanized design: ADA telephone keys (service life up to > 100,000 times);4-8 digit password, and can set up two groups;2 emergency keys;Real-time display of battery voltage function key;Low voltage alarm, can operate > 100 times, standby > 200 hours.　　

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