The Techno Trap is a hands-free grinding pad that can be operated with a downloadable APP or by itself. Featuring dual motors, Trap is rechargeable and waterproof. Features 3 speeds, 6 functions and 9 modes. Waterproof Rating - IPX7.Scan QR code on box for APP download.Materials: SiliconeMeasurements: (Total L x W x H) - 6.89" x 3.11" x 1.5"