This is a small digital , made of and safe ABS materials, durable and can be used for a long time. With a wireless sensor, it can test indoor temperature and humidity. Practical and durable. Features -Color:Pink -Material: ABS -Size: 4.30X4.30X2.00cm/1.69X1.69X0.79in -Measurable temperature range: -50 degree centigrade~+70 degree centigrade(-58 °F~+158 °F) -Temperature measurement accuracy: ±1.0 degree centigrade(±1.8 °F) -Temperature resolution: 0.1 degree centigrade(0.2 °F) F -Measurable humidity range: 10%RH~99%RH -Humidity measurement accuracy: ±5%RH -Humidity resolution: 1%RH -Manufactured with ABS material, you can keep it for a long term. -Compared with the current key products on the market, the household temperature and humidity meter is easier to read. -Even at a long distance, and it is smoother to use, no need to change the device settings. -LCD digital and hygrometer can be used in incubators, feeding rooms, rooms, hospitals and other occasions. -Small design, easy to put it on table-top. Measure indoor temperature and humidity. Package list: 4 x Digital Thermometers