1. High-precision sensor movement, accurate temperature measurement, sensitive to 0.1℃. 2. LED large-screen digital display is clearly visible and the water temperature data is clear at a glance. 3. It has a wide temperature measurement range of 3.0℃-60℃, which can meet different water temperatures and is more convenient to use. 4. Upgraded Type-C interface rechargeable design, mini and compact, more convenient to use. 5. One-touch wake-up, 30-second long-lasting standby, and wireless temperature measurement outside the cylinder for easy access. Wide range of applications: suitable for aquariums, household refrigerators and other fields. Temperature measurement range: 0℃-60℃ Measurement accuracy: ±1℃ Accuracy display: 0.1℃ Measurement error: +0.5℃ Measurement cycle: 5 seconds/time Instructions for use: Tear off the adhesive tape and on the of the fish tank. Power supply mode: Type-C interface rechargeable (built-in rechargeable lithium battery) Colour:White Material:ABS Package Contents: 1 x thermometer 1 x Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.