3 "s": 1. Silent is even more quiet; Silent is always required for household electronic dartboards.Improved shock absorbing material and structure during dart-hits, achieves the #1 electronic dartboard silence. 2. Improved sensor reliability, "Sensor" sensor sheet material improvement to prevent accidental response.And the outboard is determined by two sensors.Prevents accidental responses and ensures out recognition for smooth game progression 3. Segment quality evolution of segment quality is "Segment" by re-making molds to improve the quality of segments and spiders.Not only does the dart feel feel good, but it also improves durability. Product Size: Height 22.2 inches (56.5 cm), Width 22.2 inches (56.5 cm), Thickness 1.6 inches (4 cm), Weight 6.

Granboards latest professional model with an additional LED function; Actions like hits and awards interact with the LED; Can be customized with LED colors from the app; LED dart mat; and smart bulb "Philips hue" are connected with the GRANBOARD3.Illuminates the entire room with light • Can be powered by a micro USB port • Compatible with gran online • Highest level of silence • Equipped with an outer sensor (adjustable sensitivity via the app) • Bluetooth 4.0 power saving design (2 AA batteries and 3 to 6 months) • Maintenance can be done with repair parts sold separately; Beautiful round housing uses sturdy ABS material • Compatible with plastic brackets (sold separately) • Bluetooth connection environment. Equipped with 4.0. Smartphones, Tablets, and iOS: iPhone 6 and later models, iPad Air or later models, iPod mini 2 and later (iOS 7 or later), Android: Devices with Bluetooth 4.0 (Android 4.3 or later). *Enough capacity is required to download the dedicated app to the device. When using the LED function, a USB adapter that can supply power at least 1.5 amps (recommended 2.4 amps) is required.(This product is not included.)