FEATURES 8 Accurate data parameters Free software, no subscriptions required Syncs with your phone to automatically record and clip swing videos with data overlay Fun games and challenges Designed for Indoor and Outdoor use WHAT'S INCLUDED? Mevo unit USB charging cable 100 metallic stickers Carrying pouch Quick-start manual SPECIFICATIONS Dimensions: 3.5" x 1.5" x 2.4" Weight: 1.76 Ounces Batteries: 1 Lithium Polymer batteries required. (included) Compatible Devices: Apple iPhones / iPads: iOS 14 or later Bluetooth LE 4.0 - supports UART/Serial Port Emulation service with RX and TX characteristics Visit Apple Support for more information. Android: Android 6.0 or later (devices made in 2015 or later) Bluetooth LE 4.0 - supports UART/Serial Port Emulation service with RX and TX characteristics Setup Requirements Outdoor Full Swing: 6-7 Feet sensor to tee distance with unrestricted ball flight. Limited Flight: 6-7 feet sensor to tee with 40 yards maximum ball flight. Aluminum stickers required. Pitching: 6-7 feet sensor to tee with a maxium of 20 yards of ball flight. Indoor and Outdoor