Oyzv Temperature Humidity Monitor Indoor Outdoor Thermometer Humidity Digital Thermometer Hygrometer with Wireless Sensors

Features: 1. Measure indoor and outdoor temperature and humidity conversion between Celsius and Fahrenheit. 2. Highest and lowest temperature humidity memory function. 3. Can view historical temperature and humidity data. 4. Connect up to 3 outdoor units (conventional packaging with one outdoor unit). 5. Two high magnetic magnets on the back shell of the main unit can be adsorbed on metal objects. 6. There is a bracket on the back of the main unit to stand in a horizontal position. 7. High sensitivity touch key control easy to operate. 8. Comfort indicator temperature and humidity trend indicator. Description: 1. With backlight turn off the backlight automatically after 10 seconds without operation. 2. The outdoor unit can be hung with hanging holes or stand on a horizontal surface. 3. Outdoor unit XP4 waterproof. Specifications: Color: white Indoor temperature range: -4°F-158°F (-20°C-70°C) Outdoor temperature range: -40°F-158°F (-40°C-70°C) Humidity range: 20%-95% Comfortable display: dry comfortable wet Temperature display unit: °C/°F optional (default is °C) Temperature resolution: 0.1°C/°F Humidity resolution: 1% Refresh rate: 10 seconds. Error: temperature plus or minus 1℃ humidity plus or minus 5% Wireless receiving range: 60 meters/197 feet RF wireless frequency: 433 MHz Power supply: No. 7 battery (without battery) Package Included: 1 * Host 1/3 *Transmitter 2/4 * Pearl cotton bag 1 *English manual 1/3 *Explosion-proof screw set 1 *Conventional cowhide box Notes: 1. Due to the difference between different monitors the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight dimension difference due to different manual measurement.