Hello! I suggest you buy a knife 10. 1 inch Windows 8. 1/Android 4.4 three-proof flat EM-I 12. Equipped with Intel quad-core processor, 2G memory, 32G(64G/ 128G optional) storage capacity, supporting 3G network, and also equipped with replaceable battery, back clip, protective case, stylus and multifunctional base. The quality of military-grade three defenses conforms to the US military standard MIL-8 10G, and the waterproof and dustproof level reaches the IP65 seismic and impact-resistant standard. Multi-module coverage, wireless WIFI, Bluetooth, GPS/ Beidou, one-dimensional/two-dimensional code, fingerprint identification, RFID/NFC, its powerful performance is unprecedented.
You can also go to Yi Dao Information official website to learn more about three-proof products!