Model: V901H-24. Professional accuracy. 30 second reading. Waterproof. Fever signal feature. The Vicks Digital Thermometer makes temperature taking easy. The large display is easy to read and the waterproof design allows for simple, more thorough cleaning. For use orally, rectally or under the arm. Features: Fever signal beeps to indicate elevated temperatures; fast 30 second reading; accurate readings within +/-0.2 degrees F; waterproof; memory recall; storage case inside. Fever signal feature; Fever signal provides you a quick and easy way to know if your child has an elevated temperature by playing a special alarm sound. For household use only. Meets ASTM standard E1112 as it pertains to digital thermometers. Made in China.