Functions of the multifunctional 433 wireless temperature and humidity meter: 1. Indoor and outdoor temperature and humidity display 2. Memory function for the highest and lowest temperature and humidity within 24 hours 3. Backlight (touch to turn on, turns off after 10 seconds; remains on when plugged in) 4. Air pressure measurement 5. Channel search 6. Bracket included for tabletop placement 7. Hanging hole for wall mounting 8. Weather forecast feature (predicts weather trends for the next 24 hours) 9. Power supply: Receiver uses Type-C charging cable or 3 AAA batteries (batteries not included), transmitter uses 2 AA batteries (batteries not included) 10. Low power indicator 11. Switchable temperature units: C/F (default is F when powered on) 12. Supports connection to up to 3 transmitters (3 transmitters included in standard package) 13. Temperature and humidity trend indication 14. Wireless transmission range: 328ft/100m (in open space), receiving frequency: 433MHz (actual range may vary based on environment) 15. Transmitter is waterproof with IP4 rating, suitable for outdoor use and rain exposure 16. Humidity comfort level indicator 17. Records 24-hour maximum and minimum temperature and humidity values Specifications: Indoor temperature range: 14F122F (-10C50C) Outdoor temperature range: -40F158F (-40C70C) Temperature resolution: 0.1C/F Temperature accuracy: 1C/1.8F Humidity range: 20%95% RH Humidity resolution: 1% RH Humidity accuracy: 5% RH (within 30%70% RH range) Temperature unit display: C/F selectable Color: Black / White Material: ABS Note: Product design may vary slightly between batches. Minor differences in appearance or color may occur and do not affect functionality. Package Contents: 1 x Wireless weather station barometer set Note: Other items not included. Lighting and monitor settings may cause slight color variations in images.