This state-of-the art measurement instrument is engineered designed to meet the highest quality stards to assure you uncompromising This instrument will measurements of wind speed \u0026 direction, wind , temperature\u0026humidity. All maximum\/minimum data can be recorded displayed. In addition, the time of recorded data can be displayed as . The weather alarm can be set separately, any value can be set. The alarm signal lasts 2 minutes. Wind speed wind direction display. Average wind speed gusts display. The units can be set as m\/s,km\/h,mph,knots or (user setting). Wind speed range: 0 to 50 m\/s; Wind direction range:E,S,W,N,SE,NE,SW,NW. Specification: Outdoor Temperature range: Alkaline batteries: -4F to 140F (-20C to 60C) Lithium batteries: -40F to 140F (-40C to 60C); Resolution (for both indoor\/outdoor temperature): 2F\/1C Temperature accuracy: 2F\/1C Humidity range: 20% to 90% Humidity accuracy:5% Receiver: Alkaline battery: 2 AAA 1.5V Wind Gauge Remote Sensor: Alkaline battery: 2 AA 1.5V or AA lithium battery(Not Included) Battery life: 12 months (Approx.) Calendar: The hour display can be set between 12 hour or 24 hour . The time zone can be set from-12 to and12(user setting). Daylight saving time is adjusted automatically (The daylight saving time is adjusted on the basis of different time zone). The date display can be set as: YYYY-MM-DD, MM-DD- YYYY,DD-MM-YYYY (user setting). Wireless 433 MHZ receiving. Available distance: 328 ft in open field. While receiving RF, press any key to quit. Indoor\/outdoor relative humidity (RH %) display. Display range: 20% to 99%. Resolution: 5%. Wind- temperature display. Display units : F \/ C (user setting). Dew- temperature display. Display units : F \/ C (user setting). Material: Plastic colour: White Package Contents: 1 x Professional Wireless 1 x Receiver Only the above package content, other products are not included. Note: Light reflection different displays may the color of the item in the a little different from the real thing. The measurement allowed error is and\/- 1-3cm. Sells From Shenzhenshizekaikuajingdianshangyouxiangongsi