Signia Hearing Aid Battery Size 312, Pack of 30 Batteries

【Fever Warning】A fever reminder, when the temperature reaches 38 °C, the red backlight and short beep warn the patient. Better understand your physical condition
【Easy to Use】With backlit for easy use at night or in dark environments; Ergonomically designed, easy grip handle for any use; Low power consumption, if there is no operation, it will automatically turn off after about 30 seconds
【High Accuracy】 Electronic infrared body temperature measurement, high accuracy, suitable for infants, children, adults. 32-42℃(89.6-109.2℉) body temperature mode(The measurement deviation is ≤ ± 0.3 degrees)