This is a floating thermometer with high precision. It is easy to use, you just need to directly drop the thermometer into water 1 to 2 minutes, then take it out and can read the accurate temperature. It is suitable and perfect for measuring the temperature of swimming pool, spa and hot bath, etc. Features: Made of high quality ABS material, hard, tough and durable. Small with a tie, easy to carry. Waterproof and long service time. Bright color, easy to read the data. Easy to use: Directly drop the thermometer into water 1 to 2 minutes, then take it out and can read the accurate temperature. Large testing range, suitable for swimming pool, spa and hot spring, or anything else you may want to use and it will start to get a temperature reading for you. Specification: Condition: Brand new Material: ABS Color: As picture shows Testing temperature: 0 to 40 degree. Length: 22.5cm/ 8.9in Top diameter: 6cm/ 2.4in Bottom diameter: 3cm/ 1.2in Package list: 1 * Floating Thermometer Note: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.1Small with a tie, easy to carry. 2Waterproof and long service time. 3Bright color, easy to read the data. 4Easy to use: Directly drop the thermometer into water 1 to 2 minutes, then take it out and can read the accurate temperature. 5Large testing range, suitable for swimming pool, spa and hot spring, or anything else you may want to use and it will start to get a temperature reading for you.