stealth operative, ECM jammer, holding in hand, black tactical suit, ski mask, urban environment, bank heist, night time, dim street lights, action pose, crouching, electronic device, modern, high-tech, detailed texture, matte finish, LED indicators, secure vault, guards, cameras, silent alarm, 3/4 view, dynamic angle, soft shadows, ambient occlusion, realistic, high resolution, close-up on ECM jammer, focused expression, tense atmosphere, strategic placement.