Description This is a premium Temperature and Humidity Meter. Combination of temperature and humidity testing, easy-to-read display, shows indoor and outdoor temperature and humidity at the same time. High-precision and high-sensitivity, lightweight, easy to use. Features - Color: As shown.- Material: Plastic.- Thermo-hygrometer (Receiver) Size: 11.5x12.5x24cm.- Thermo-hygrometer Sensor (Transmitter) Size: 45x11x2.1cm.- Made of good quality, high strength shell, odorless, wear and corrosion resistant.- Comfort Level Indication.- Min/Max records of temperature and humidity.- With dip switch to set up and fix 1-8 channels.- Accurate measurement, easy-to-read display, convenient and practical.- A hole for wall hanging and kickstand for free standing.- Wireless thermometer hygrometer for indoor and outdoor temperature and humidity measurement.- for home, office, green house, warehouse, baby room, wine cellar, breeding farm use. Specifications - Indoor Temperature Scope: 0-60.- Outdoor Temperature Scope: -40-60.- Temperature Accuracy: +/- 1.- Humidity Measurement: 10%-99%.- Humidity Accuracy: +/- 5%.- Transmission Frequency: 433 MHz.- Update Rate: 60 seconds.- Power Supply of Receiver: 4 x AAA battery ( not included ).- Power Supply of Transmitter: 2 x AAA battery ( not included ).Packing list: 1 x Wireless Thermo-hygrometer (Receiver)3 x Thermo-hygrometer Sensor (Transmitter)1 x User Manual