Specifications: - Model: E- Flow. - Weight: 1.8 kg. - Handpiece: 40 Gr. - Injection mode: Normal, fast, PDL, dosage. - Injection speed: Slow (0.3 ml/min); medium (1.7ml/min), and fast (3.5ml/min). - Battery capacity: 2600 mAh. - Enough for 2 cases 3 sessions each.