Specifications:
Adapter Plug: US / EU (Optional)
US Plug: Input 120V AC 60Hz; Output 4.5V DC 150mA
EU Plug: Input 230V AC 50Hz; Output 5V DC 150mA
Color: Black Receiver + White Transmitter
Display: LCD screen with LED Backlight
Indoor Temperature Measurement: 0~50°C / 32~122°F
Outdoor Temperature Measurement: -40~60°C / -40~140°F
Humidity Measurement: 20%-99%
RCC Receive Form: DCF
Barometric Unit: hpa
DST: ON
Transmitter Battery: 2 * 1.5V AA Batteries(NOT included) 
Receiver Battery: 3 * 1.5V AAA Batteries(NOT included); Power Adapter(included)
Transmitter Size: 10.5 * 4 * 2.2cm / 4.13 * 1.57 * 0.86in 
Receiver Size: 15 * 11 * 3.5cm / 5.9 * 4.33 * 1.4in 
Transmitter Weight: 40g / 1.42oz
Receiver Weight: 255g / 8.89oz
Package Size: 23 * 12.2 * 5cm / 9.05 * 4.8 * 1.97in
Package Weight: 472-509g / 16.65-17.95oz

Package List:
1 * Outdoor Transmitter
1 * Indoor Receiver
1 * Power Adapter
1 * User Manual (English)