<p>Use a smartphone, tablet or computer to receive alerts and remotely monitor temperature and humidity levels that affect your greenhouse, garden or other sensitive plants.* Monitor ambient temperature and humidity to prevent damage to sensitive plants, frozen pipes or mold growth.*</p> <p> Measures ambient air temperature and humidity<br /> Sensor LCD toggles data<br /> Sensor features weather resistant case<br /> Sensor transmits to gateway in 200 ft. range<br /> Temperature range: -40 F to 140 F<br /> Humidity: 3% to 99% (%RH)<br /> Sensor requires 2 AAA Alkaline batteries (not included)<br /> Add up to 5 sensors (sold separately) per gateway<br /> Wall hanging or free standing<br /> Gateway connects to your router uploading data to lacrossealerts.com for remote monitoring and alerts.*<br /> (Internet and network router required, not included)<br /> Detachable probe to measure temperature of water, soil or air sold separately</p> <p>Includes one wireless temperature and humidity sensor with mounting bracket &amp; hardware, one gateway with LAN cable and AC adapter. Also, activation code card.</p> <p> </p> <p> </p> <br /> <br /> <p>HydroGalaxy.com is an Authorized Dealer for this product.</p>