Features: TEMPERATURE AND HUMIDITY MONITORMonitor indoor environment temperature and humidity, creating a comfortable home living environment. Accurate measurement, temperature accuracy: +-1, humidity accuracy: +-5%RH. WIFI CONNECTIONIt is powered by Smart 2 x 1.5V AAA batteries(not included), connect to Wifi after installing the battery, wireless design, easy to use and install, connect to the network faster. APP CONTROLAPP intelligent control, you can check the temperature and humidity detection results anytime and anywhere. It supports query history, voice control. Share your added temperature and humidity sensor with your family members. LOW AND HIGH TEMP REMINDERPreset the low and high temperature in the App, it will remind you when the temperature reaches the limit, then you can take proper actions, making it feel comfortable at home. SIMPLE AND COMPACTMini appearance, surface with texturing finish, solid design, simple and modern. It is suitable for living room, bedroom, babys room, you can promptly know the change of the temperature and humidity. Specifications: Color: White Material: ABS Temperature measure range: -20C ~ 60C Temperature accuracy:+-1 Humidity measure range: 0%RH ~ 100RH Humidity accuracy: +-5%RH Power by: 2 x 1.5V AAA batteries (not included) Wi-Fi frequency: 2.4GHZ IEEE 802.11 b/g/n Size(L x W x H): About 71 x 25 x 20mm/2.80 x 0.98 x 0.79inch Package Includes: 1pc xTemperature humidity sensor 1pc x User manual Or 2pcs xTemperature humidity sensor 1pc x User manual Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.