AMIR Upgraded Indoor Outdoor Thermometer, Digital Hygrometer Thermometer with 3 Wireless Sensors, Ro…See more

Features 4.6 LARGE DISPLAY + WIDELY RANGE Indoor/Outdoor thermometer with a 4.6" Large LCD display, which provides simple and clear readings.

Indoor temperature (-20 - 70℃); Outdoor temperature (-50℃-70℃); Humidity (10% - 99%).

The temperature and humidity accuracy: ± 1℃ / ± 5%.

[3 WIRELESS SENSORS + DISTANCE RANGE] With one built-in sensor and three wireless sensors, this hygrometer thermometer can display the temperature and humidity of four different areas.

The thermometer readings up to 100m/328ft in using a 433MHz signal (30-100m/98-328ft in open air).

MAX & MIN RECORD + BACKLIGHT LCD SCREEN] Thermo-hygrometer can record the temperature and humidity timely, providing historical temperatures Max/Min records over the past 24h.

Clear LCD Screen display trend arrows, keeping you aware of changes in your living conditions.

(Battery-powered: one level of backlighting; Cable-powered: two levels of backlighting).

[DUAL POWER MODE] Indoor Thermometer has a dual power supply mode for the main unit, powered by three AA batteries and an Apple charging port (batteries not included, but Apple cable included); The transmitter is powered by two AAA batteries (batteries not included),