This Diatone Mamba MK4 F405 Mini is perfect for drone hobbyists. It's designed for easy installation and use. The MK4 F405 has dimensions of 29.0 x 29.5 x 6.5mm and weighs 6.0g. The F40_BLS MINI ESC has an input range of 3 - 6S Lipo, 40A continuous current, and 45A burst (10S). It comes with a damping & isolation silicon pack and a wiring harness pack. Ideal for building and upgrading your drone for exciting aerial adventures.