?? Features:
1. 3 line LCD display.
2. Show the outdoor temperature/humidity and indoor temperature/humidity at the same time.
3. °C/°F exchangeable.
4. Recording the highest and lowest temperature/humidity value every day.
5. Can hang on the wall or put on the desk.
6. Max outdoor temperature sensing distance: 1.5m.

Specifications:
Outdoor temperature survey range: -50°C to 70°C (-58°F to 158°F)
Indoor temperature survey range: 0°C  to 50°C (32°F to 122°F)
Analyze degree: ±0.1°C
Humidity survey range: 25%RH to 98%RH
Analyze degree: 1%RH
Accurate precision: ±5%RH

General Characteristic:
Battery Type: 1 * 1.5V AAA(not included)
Package Size: 13.1 * 10.8 * 3cm / 5.2 * 4.3 * 1.2in
Package Weight: 114.5g / 4oz

Package list:
1 * Indoor Outdoor Thermometer Hygrometer
1 * Operation Instruction