Features: Easy to read LCD digital readout in Fahrenheit or Celsius,Temperature range: about 0-50 degree centigrade/32-122 degree fahrenheit.  Floats in your pool or spa for constant monitoring.  Solar powered, no need for batteries,eco-friendly.  Strong heavy duty plastic body,made of durable material,smooth surface,safe and reliable.  Durability and water resistant design,don't worry about the thermometer being damaged under high temperature.  Includes nylon cord for easy retrieval,compact size and lightweight, easy for carry.  Great for indoor or outdoor pools, spas, hot tubs, fish ponds, aquariums, Jacuzzis, and ornamental ponds.   Specification: Material: Environmental PVC;  Color: White&Blue;  Temperature measurement range: -20 ~ 50℃;  Accuracy: +/- 1℃;  Display resolution: 0.1℃;  Power by: built in rechargeable battery;  Size: Approx. 80*140mm/ 3.15* 5.51in;  Pack weight: 103g/3.63oz;   Note: The color may have different as the difference display, pls understand.  Please allow 1-3mm error due to hand test.  Packing list: 1 *Solar Powered Digital Thermometer