Ready for the freezer------The DS3678-ER are built from the ground up to handle extreme cold. Their unique plastics, cables and components are designed to handle freezing temperatures without becoming brittle — making these scanners ideal for use in freezers and outdoor yards. A Bluetooth model in a class of its own for supFior cordless freedom Bluetooth 4.0 (Low Energy) provides lightning fast wireless communication and maximum energy efficiency.------Zebra Wi-Fi Friendly Mode eliminates the wireless interference that Bluetooth devices can often create in your Wi-Fi environment. Ultra-rugged, the most indestructible design in its class------The DS3678-SR is the most rugged scanner yet, with the highest drop, tumble and sealing specification in its class. The DS3678-ER is built to survive an 8 ft./2.4 m drop to concrete, 23 percent more durable than any other scanner in this class. It is dustproof, sprayproof and waterproofed to IP67, it can be sprayed down with jetting water and even submersed in water for up to 30 minutes. Superior scanning performance on any 1D and 2D barcode, in any condition------The advanced imager reads 1D and 2D barcodes printed on a label up to 60 percent closer and 35 percent farther than similar models in this class, with an extraordinary scanning range from 3 in. to 70 ft. (7.6 cm to 21.4 m). Multi-code captures and processes up to 20 barcodes simultaneously------Many labels have multiple barcodes your workers need to capture. Now, one press of the trigger captures the right barcodes and applies the unique data format required for each one for instant transmission to your backend systems — all with complete control over the order barcodes are processed.