Now Gemore develop the new finger tip pulse oximeter series. The new features as follow. Automatically turns on/off for immediately spot-checks. Color and graphic display (OLED). Anti-motion is better than others. Five directional key for easy setting. Micro USB connection for setting and data collection. Extremely energy saving design (1 AAA Alkaline battery for 24 hrs continuous use). Adapt both audio and visual alarm for abnormal SPO2 or heart rate. Smaller, compact and light modern design.