This is an indoor and outdoor weather station that can measure temperature and humidity, with alarm clock function, and can also display time, date and weather forecast. Note: 1. Due to manual measurement, the size may be slightly different. Thank you for your understanding. 2. Due to different light conditions and different monitors, item color displayed in photos may be showing slightly different from real object. Specifications: Brand: FanJu Model: EM1005A Color: Wood Color Material: Wood, ABS, PC Screen Type: LED Adjustable Brightness: MAX / MID / MIN / OFF ( 4 Levels ) Indoor Temperature Range: 0°C ~ 50°C (±2°C), 32°F ~ 122°F (±3.6°F) Outdoor Temperature Range: -19.9°C ~ 59.9°C (±2°C), -3.8°F ~ 139.8°F (±3.6°F) Humidity Measurement Range: 20% ~ 95% RH DCF Radio Control: No Wireless Transmit Range: 200FT/60M Transmitter Frequency: 433.92 MHz Power Supply: USB Adapter: 5V DC ≥ 600mA Main Unit Battery: AA size LR06 * 2 (Not Included) Sensors Battery: AAA size LR03 * 2 (Not Included) Main Unit Size: 16.4*7.5*4.1cm / 6.46*2.95*1.61in Sensors Size: 9.0*4.0*2.3cm / 3.54*1.57*0.91in Net Weight: 228g / 8.04oz Packing Size: 22.5*19.5*5.6cm / 8.86*7.68*2.20in Packing Weight: 520g / 18.34oz Package List: 1 * Main Unit 1 * Sensor 1 * USB Cable 1 * User Manual ( EN, DE, FR, ES, IT, RU )