UNSURPASSED RANGE & SENSITIVITY - Industry Leading Performance with Advanced False Alert Filtering is THE choice for drivers who demand the highest level of protection against speeding tickets. | GPS TECHNOLOGY - Using GPS the R3 can remember and mute common false alerts (such as retail store automatic doors) along your regularly driven routes so you never have to listen to the same false alert twice. | RED LIGHT AND SPEED CAMERA ALERTS - Preloaded Red Light and Speed Camera locations with Free Database and Firmware updates ensures your detector will never be out of date. | MULTI-COLOR OLED DISPLAY - is easy-to-Read and allows for more useful information to be displayed at once. This improves your overall situational awareness. | VOICE ALERTS - Voice warnings allow for hands-free operation and provide clear communication. Voice Alerts are programable to fit your driving style so you can keep your eyes on the road with no distractions. | ADVANCED FALSE ALERT FILTERING - the R3 has advanced K/KA Band filtering offering the Least Amount of False Alerts from Blind Spot monitoring & Collision Avoidance systems in other vehicles.

【Large Capacity】External dimensions:19.5x 12.5 x 5.3inch. One separate laptop compartment hold 17.3 Inch Laptop as well as 15.6 inch,15 Inch,14 Inch and 13 Inch Notebook Macbook.One spacious packing compartment roomy for your phone, books, clothes,folders, power bank, pen,wallet and other items. | 【USB & Headphone Port Design】With an USB charging port and headphone jack extended on the side of the backpack and built-in charging cable and headphone cable inside, provides convenience to charge your phone and listen music on the go with hands-free(POWER BANK is not included). | 【Anti Theft Design】With Fixed Password Lock and Durable Metal Zippers,and a hidden anti-theft pocket in the back protects your valuable items from thieves. Making your journey and travelling more convenient and safe wherever you go. | 【Comfy & Durable】Made From Durable Eco-Friendly Nylon Fabric With Two "S" Curve Padded Shoulder Straps relieve the stress of shoulder.Comfortable airflow back design with thick but soft ventilated padding, gives you maximum back support,very breathable and comfortable. | 【Ideal Gift】This laptop backpack can be a great companion for college, travel, business, everyday use and outdoor activities. Practical gifts for teens, boys, girls, friends, mother, father, her or him.

Pelican cases are kept watertight through the use of a tongue and groove fit and a polymer o-ring. | Pelican cases come standard with an Automatic Pressure Equalization Valve which releases built up air pressure while keeping water out. | Pelican's Pick N'Pluck foam lets you customize the interior. | Stainless steel reinforced padlock protectors | Interior Dimensions (inches): 19.75 x 11.00 x 7.60.LID DEPTH: 1.79" (4.5 cm),BOTTOM DEPTH: 5.79" (14.7 cm),TOTAL DEPTH: 7.58" (19.3 cm),INT VOLUME: 0.96 ft³ (0.027 m³) | Pelican cases are kept watertight through the use of a tongue and groove fit and a polymer o-ring. | Pelican cases come standard with an Automatic Pressure Equalization Valve which releases built up air pressure while keeping water out. | Pelican's Pick N'Pluck foam lets you customize the interior. | Stainless steel reinforced padlock protectors | Single folding front handle