Description: 3 channels: This temperature humidity measuring meter comes with 3 sensors that can be placed on different places. User-friendly: This digital is designed with an LCD screen that is large and features a backlit function. History record: This digital temperature meter can automatically record the temperature and humidity, and show the maximum and minimum during 24 hours. Flexible to place: This LCD allows you to place it on a desktop, and can be hung on a wall. Suitable places: This digital hygrometer is a good fit for a living room, bedroom, balcony, greenhouse, and so on. Specification: Color: Black, white. Material: ABS. Size(LxWxH): Main: Approx. 12.5x2x12.5cm/ inch secondary: Approx. 5x3.7x10.5cm/ inch. Resolution: 0.1. Accuracy: 1.0. Temperature measuring range: 0-50. Humidity measuring range: 20-99%RH. Power: 3x AA batteries(Not included) or DC 5V power cable. Note: There might be a bit of color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Temperature Hygrometer(with 3 Pieces Sensor, 1 Piece USB Cable).