WH0300 Wireless Digital Indoor/Outdoor Thermometer Monitor with 1 WH53 Temperature Transmitter and Display

• Wireless Thermometer: measures indoor/outdoor temperature for you to monitor the weather changing.
• 300FT/100M Transmission Range: with strong signal penetration, can receive and display temperature from up to 3 WH53 remote sensors (only one included, need to purchase others if you want to expand more)
• Time, week, date display; alarm clock and snooze function
• Temperature C/F selectable; 12/24H and D-M/M-D format selectable
• latest 24H and history high/low records for all the indoor/outdoor temperature sensor

Specifications:
Transmission range: 300ft /100m(no interference, barriers or walls)
Frequency: 433 MHz 
Update Rate: 60 seconds
Snooze time: 10 minutes 
Indoor temperature range: 32°F ~122°F (0°C to 50°C) 
Outdoor temperature range: -40°F ~140°F ( -40 °C to 60°C) 
Accuracy: ±1°F (±1°C) 
Power consumption: 
Base station: 1x AA battery (Not included) 
Remote sensor: 1 x AA battery (Not included) 

Package List:
1x base station + 1x WH53 remote sensor + 1x user manual