The perfect thermometer:Reading time of 2-4 seconds.Waterproof with lp66 rating.Clear: bright LCD screen.The cap can also be used as a CHEMICAL STIRRER.The cap can be attached to bechers and graduated cylinders.Inside the body there is a magnet that allows it to be conveniently attached to any metal surface.Battery included 1x CR2032 3VOperation:IP66 waterproof designResolution: 0.1Measuring range: -50C to 300C (-58F to 572F)Measuring accuracy: 1C (2F) at -20C to 150C (-4F to 302F)The large, bright backlit light can be switched on and off or set to auto-off in 10 seconds.A strong internal magnet allows the thermometer to be attached to metal surfacesThe LCD will dipslay low battery icon when the power is lowTemperature hold function to prevent the display from changing readingsThermometer turns off automatically after 10 minutes if no other buttons are pressed.The thermometer can also be used as a stirrer without removing the cap.Thanks to the multifunctional design, you can also mix chemistry while measuring temperature.The cap has a clip. This allows the thermometer to be attached to beakers and graduated cylinders.