SafeShoot Non ShooterNS Defender Backpack w/ Pouch. Every non-shooter including dogs wears the Defender device on a SafeShoot backpack or pouch. The system continuously broadcasts a signal to all Shooter devices within the 900-yard network alerting armed party members that friendlies are in the line of fire without disturbing the wearer. Specifications for SafeShoot Non Shooter: Manufacturer: SafeShoot Color: Black Finish: Matte Length: 3.94 in Height: 2.76 in Width: 2.17 in Quantity: 1 Weight: 6.1 oz Included Accessories: Dog Pouch Batteries Carrying Case Package Type: Box Last Chance: Yes Features: Long range - 900 Yards No line of sight is needed Automatic visual and audio alert Operating under varying weather conditions day or night Package Contents: SafeShoot Non Shooter Batteries Dog Pouch carrying case. SafeShoot DF-02-US: Non ShooterNS Defender Backpack w/ Pouch