Tomshoo Indoor Outdoor Wireless Thermohygrometer Humidity Monitoring Weather Digital Hygrometer

This is a weather can clearly show the and humidity easy to read can show the humidity and trends. Features: It has memory function and can record the highest and lowest and humidity. Historical and humidity data can be viewed. There are two high magnetics iron in the rear shells of the main engine which can be attached to metal objects. The back of the main engine is equipped with a bracket for standing in a horizontal position. High sensitivity touching button control easy to operate. With backlight automatically turn off the backlight after 10 seconds without operation. The outdoor unit can be suspended by hanging holes or can stand on the horizontal plane. Up to 3 transmitters can be connected. Transmitters waterproof: IPX4. Comfort indicator and humidity trend indicator. Degrees Celsius and Fahrenheit can be converted. Specifications: Type: 1 2 (optional) Type1: one transmitters one explosion-proof screw set Type 2: three transmitters three explosion-proof screw set Material: Transmitters waterproof: IPX4 Indoor ranges: -4° F-158 °F (-20° C-70 °C) Outdoor ranges: -40° F-158 °F (-40°C-70°C) Humidity ranges: 20%-95% Comfort display: drying comfortable moist display unit: °C/°F optional (default: °C) Refresh rate: 10 seconds frequency: 433 Power supplys: AAA battery (not included) Item size: Host: 114 * 96 * 24mm / 4.5 * 3.8 * 0.9in Transmitters: 100 * 35 * 20mm / 3.9 * 1.4 * 0.8in Item weight: Host: 142g / 5.0ounce Transmitters: 40g / 1.4ounce Package size: 155 * 135 * 33mm / 6.1 * 5.3 * 1.3in Package weight: Type1: 232g / 8.2ounce Type2: 320g / 11.3ounce Packing List: Type1: 1 * Host 1 * Transmitters 2 * Pearl Cotton Bags 1 * English Instruction 1 * Explosion-proof Screw Set 1 * Leather Box Type2: 1 * Host 3 * Transmitters 4 * Pearl Cotton Bags 1 * English Instruction 3 * Explosion-proof Screw Set 1 * Leather Box