https://www.alibaba.com/product-detail/EN71Approved-Baby-bath-Hot-Water-Temperature_1600534110170.html?spm=a2700.shop_plser.41413.23.73be14a8EBOZT5

 Digital baby baththermometer

1. Measuring range: 0C to 50C / 32F to 122F
2. Resolution: 1C/1.8F
3. Accuracy: +/-1C

4. Module dia: (Dia)36x(H)24MM

Hippo Size: 97x84x43mm
5. C/F can be choice before produce
6. Battery: 1 cell battery (1pc CR2032)
7. Battery life: about one year (use one hour everyday)

8. Waterproof

9.Thermometer Alarm value (default:39.0C)

10.Auto off: automatically into sleep mode after one hour