1、箱体钢板全部采用优质低碳合金钢，更坚固；
2、箱体表面磷化处理后喷塑，不易脱落；
3、配有机械应急钥匙，以备应急之用；
4、配有膨胀螺丝，可固定在墙壁上；
5、电池电量不足时，指示灯具有提示功能；
6、通过ISO9001国际质量体系认证；
1, the box body are all made of high quality low carbon steel alloy steel, more strong;
2, body surface after phosphating coating, is not easy to fall off;
3, equipped with mechanical emergency key, in case of emergency;
4, expansion screws, can be fixed on the wall;
5, battery is insufficient, the indicator light has prompt function;