Uses high quality material, shatterproof, waterproof, durable. Large temperature display, easy to use, just put in water and take out of the water 2 minutes later. Suitable for all indoor and outdoor applications such as swimming pools, spas, aquariums, aquariums etc. Measures the water temperature quickly and easily, the measuring range is 0-50 ℃ (32-120 ℉). Portable and light, easy to carry.