Features: Sketch Kit is a product that uses light to assist in painting. It is suitable for people who love sketching and painting.Using traditional optical tracking techniques and smart apps, you have the opportunity to start learning sketches. Even if you can't paint, the Sketch Kit will make you a master of painting in a second. Painting brings a quiet time, letting you release stress, relax and let you have full satisfaction. It can be painted on opaque materials such as T-shirts and canvas bags to add personal color to your items. It is the best painting tool. Small painting tools can be carried to various occasions, allowing you to paint and enjoy painting in schools, cafes, office lounges, outdoor, entertainment venues, etc. Provide learning opportunities for children or adults without a foundation for painting, and learn to paint independently without having to bother others. The product manual has the App download QR code, the app supports Android /IOS phone and tablets. The product description has an activation code that can activate 5 different devices at the same time. Products Include: 10 * Tracing paper 1 * Assembled frame 1 * PMMA glass lens 1 * Instruction Specification: 1. Material: high quality ABS, PMMA glass lens 2. Size: 9.8 x 7 x 0.6 inches 3. Net weight: 0.66lb