MIL-STD-810G, 5' Drop and All-weather IP65 Dust and Water-resistant Design User-replaceable Battery, Bridge Battery and Optional Long Life Battery USB 3.0, Optional NFC, Ethernet, Serial, SmartCard, Magnetic Stripe and Barcode Reader1 Wi-Fi, Bluetooth® and Optional Dedicated GPS or 4G LTE Multi Carrier Mobile Broadband 3-year Warranty with Business Class Support Windows® 8.1 Pro 64-bit (with Windows® 7 downgrade option) 7-inch, daylight-readable, multi touch screen with glove touch technology