Wirelessly Track 4 Locations Up To 200FT/60M Digital hygrometer indoor thermometer with 3 remote outdoor sensors is capable of displaying inside outside temp & humid readings of 4 locations simultaneously within 200ft/60m transmission range. Comfort Level Wireless weather thermometer has a great comfortable impact on human health. The environment is comfort when the temperature is 68-82.4F( 20-28) and the humidity is 40-70%. Multiple Applications Geevon digital indoor outdoor thermometer wireless can be stood on the desk or hang on the wall as you like.You can place it in your bedroom, baby room, wine cellar, basement, garden, greenhouse, grow tent or office. Battery-powered Supply Main Unit: 2 X AA BatteriesOutdoor Sensor: 2 X AAA BatteriesUse Lithium Batteries in the outdoor sensor.A minimum voltage of 1.
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