The Unitree B2 is an industrial-grade quadruped robot designed for security patrols and facility inspections. Weighing approximately 60 kg and measuring 1098 × 450 × 645 mm, it can carry a standing load of up to 120 kg and sustain walking loads over 40 kg. Powered by a 45 Ah (2250 Wh) battery, it offers an endurance of over 5 hours without load and over 4 hours with a 20 kg load. The robot achieves a maximum running speed exceeding 6 m/s and is equipped with a 360 N·m torque joint for enhanced mobility. Its IP67 rating ensures reliable operation in various environments. The B2 is available for purchase at approximately $100,000 USD. ([unitree-robot.com](https://unitree-robot.com/shop/products/unitree-b2.html?utm_source=openai))