BABY SAFETY YOU CAN TRUST: This safe choice eFloat is made from safe materials and is waterproof to industry standard IPX27, it also complies with toy and safety standards CE, EN71-1-2-3 and RoHS. SMART TECHNOLOGY ENSURES LONG USAGE: Auto-off function after 30 minutes of no movement helps ease of use and saving of battery life. Built-in battery signals when it’s time to replace the battery. THE PERFECT BABY SHOWER GIFT: A must have baby essentials safety device to add to your registry. With one shake these thermometers also measure ambient room temperature via sensor. Very unique baby accessories to add to your child's bathtub toys. EASY TO USE BABY BATH WATER THERMOMETER: This adorable baby bathtub digital thermometer displays in Fahrenheit and Celsius on an easy-to-read LCD screen. High and low temperature scanner with LCD alarms display HOT with red light flashing above 102°F(39°C) and COLD below 89°F (32°C). MAKING BATH TIME FUN & SAFE: The eFloat is a premium quality baby bath thermometer that helps you carefully monitor water temperature. Waterproof and fun, these colorful baby bath toys provide accurate temperature readings that update every 5 seconds.