Model Number: Video Laryngoscope HY-1310-#5434 Brand Name: HY-1310 Key Specifications/Special Features: Video laryngoscope, HY-1310 ItemNameSpecifications Machines Display 2.4" Resolution ratio 480*234 Field of view 60 + 9 or 60-9° Bend angle of display 0-90° Life of battery more than 18 hours Light source high power waterproof LED Camera double anti-fog, no blind intubation Connector waterproof air connect plug, make sure the video image transmission is stable and normal Laryngoscope blade international new common laryngoscope blade, meets the ergonomics design Charger Output 100-240V, 50/60Hz, 0.35A Input 5V, 2000mA Charging time less than 4 hours Working condition Environment temperature 5 to 40°C Relative humidity Less than 80% Atmospheric pressure 860hpa-1060hpa Internal power Lithium-ion battery Storage condition Environment temperature -40 to 55°C Relative humidity less than 93%