1. Select Taiwan ABS strengthening material in casing 2. Chromium plating, subject to corrosion-resistant tests 3. Nylon material of high intensity 4. High-intensity stainless steel are used in spring, withstand strict life span tests 5. Low temperature resistant(-30),can be used in most areas in the world 6. Exclusive pantent safety,with more than 100000 lifetime applied in switch 7. One-stop keystoke, fluent and simple. M: 54*29*46.5cm Weight: 0.2~0.4kg.
