Chison Used ECO5 is an eco-freindly LED color doppler ultrasound system. Still in great working condition, with full warranty. A high performance powerful machine, but low cost. Supports black and white, color, and power wave modes. Very slim lightweight design, can carry the system very easy. Has two probe connectors, and a 2.5 hour battery. Various applications include Abdomen, OB&GYN, Urology, Vascular, Small Parts, Pediatrics, MSK, and Basic Cardiology.