This hygrothermograph's scroll mode allows you to view the indoor /hygrometer and remote channels without pressing any buttons. In scroll mode, all of the indoor and detected outdoor sensors will be displayed in five second . Each remote sensor includes dip for channel selection and units of measure (degF degC). The sensor search mode allows you to re- sensors without removing and re-inserting batteries. Feature - Color: As Shown. - Material: LCD+Electronic Component+Plastic. - Size: 11.5 x 12.5 x 2cm. - Display: LCD. - Indoor Measurement: 0~60 degree centigrade / 32~140°F. - Outdoor Measurement: -40~60 degree centigrade / -40~140°F. - Accuracy: ±1 degree centigrade. - Humidity Accuracy: ±5%. - Indoor/Outdoor Humidity range: 10% to . - Frequency: 433 MHz. - Update Rate: 60 seconds. - and rate of change indicators Scroll mode automatically. - Displays each sensor every 5 seconds. Dip selectable remote channels Re- mode, if sensor reception is interrupted. Min/Max Memory for indoor/outdoor & humidity Monitors and humidity to 8 remote locations Included remote sensor ( - -07- ). - Transmission range of up to 300 feet (100 feet under most onditions). Package list: 1 x Hygrothermograph 1 x User's Manual