Automatic Sensor Sound Device Reminder Alarm Rechargeable Security Care Description: Item Type: Infusion Fluid Reminder 1. Turn On: Clamp the reminder to the infusion tube, press the on button to hear the poweron prompt and enter the detection state, and the green light flashes at the same time. 2. Sound S ing: Press and hold for 3 seconds in the off state, se the button when you hear a beep, s the sound successfully and power on and enter the detection state. 3. Reminder: the liquid in the infusion tube changes from being to nonbeing, a reminder will sound, and the red light will flash. 4. Shut Down: Press the s button, the sound will be prompted when shutting down, all the indicators will be off, and the work will stop. 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image 2. Due to manual measurement, please allow 1-3cm deviation battery Size: Approx. 3.5 x 5.5cm/1.4 x 2.2in Shipping Color: Random Quantity shipped: 1