... For QualityFeature1. Completely water-proof and shock-resist, built-in silicone layer, super imported aeronautical aluminum body, premium ... body, premium military grade hard anodized coat, built-in silicone layerDimension140mm*35mm*27mm, Weight: 155 gStorage Temperature- ... Post, police, oil field, gas pipe, railway, airline, coal mine and other industries patrol and check etc* Anywhere that needs ...