... Syringe Size, mL 20/30/50 Features:1. Audible and visual alarm for occlusion, empty, near empty, low battery, end of infusion ... source100V---240V 50/60Hz Internal rechargeable Li battery volume≥1,600mAh 4 hours internal battery backup; DC 12VKVO Speed1ml/h, ... (W)x 130mm(H)Weight2.2KGSyringeCompatible with any brandDrug librarymore than 1000 drug namesPackage1pc for each Carton, 3.2KG; 35cm (L) × 28cm ...