Flex fifty technology

The barrel will be built of aluminum material and the handle is going to be constructed from composite

can be expanded to cover 100 acres with more wire and flags (sdf-wf) Waterproof collar takes standard 9-volt battery (included) that lasts 6-12 months

or while walking running

Hyperlite Composite Construction

New DeMarini D271 Pro Maple Wood Composite Baseball Bat Maroon/Black Size:31/28 Flex fifty technologyBarrel up every pitch this summer with the DeMarini D271 Pro Maple Wood Composite Baseball Bat. Shaped for an extremely balanced swing weight, this bat allows players to maximize barrel control and generate consistent contact. This bat, formed with a combination of Maple and composite materials, is approved for Rookie Ball and Perfect Game play. 271 Turn Model 3 Length To Weight Ratio Approved For Perfect Game, Short Season A, & Rookie Ball Level Play