Features: Daily Clock /Alarm/Calendar Function: Perpertual calendar up to year 2099; Days of week in 8 languages user selectable: English, German, Italian, French, Russian, Spanish, Netherlands and Danish; Time in optional 12/24 hour format. Hygrothermograph Funciton: --Temperature Measuring: Indoor measurement ranges: -9.9+50 (15122); Outdoor measurement ranges: -20+60 (-4140). High accuracy: 0.1. --Humidity Measuring: Indoor & outdoor measurable range: 20%RH ~ 95%RH. High accuracy: 1%RH. Indoor climate comfort pointer indicating. It also has the outdoor temperature alarm function. Temperature & humidity trend display. Minimum/maximum value display for humidity and temperature. DCF Radio control time function (Only for Germany, please ignore the function for other contries and resions). Comes with wireless outdoor sensor, wall-mounted or table stand. 433.92MHz RF transmitting frequency, 60 meter transmission range in an open area. Specifications: Brand: FanJu Model: FJ3356 Color: Black, White (Optional) Compatible Battery Model: Hygrothermograph Main Unit: 2 * LR03 AAA battery; Wireless Outdoor Senser: 2 * LR03 AAA battery Hygrothermograph Main Unit Size: 16.5 * 5.5 * 12.5cm / 6.5 * 2.2 * 4.9inch Wireless Outdoor Senser Size: 9.6 * 3.4 * 5cm / 3.8 * 1.3 * 2inch Package Size: 14.5 * 9 * 5.5cm / 5.7 * 3.5 * 2.2inch Package Weight: 241g / 8.5oz Package List: 1 * Hygrothermograph Main Unit 1 * Wireless Outdoor Senser 1 * USB Cable 1 * User Manual (English) Note: Batteries are not included.