It works, monitors temperature and humidity instantly and has NO contacts for additional sensors. I bought a water bug sensor from Amazon and it works great. I don't think the temperature is really accurate, but I only use it to alert myself if the air conditioning in the room is going out, so it's not necessary. If you want something really accurate in temperature I would choose a different item.
Detector Bosch GMS 120 Professional
28 Review
Xiaomi iHealth Meter Thermometer White
24 Review
Cable tester BENETECH GM60
15 Review
VIVREAL 4 In 1 Stud Finder Wall Scanner With LCD Display - Center Finding Beam Finder And Sound Warning For Wood, AC Wire, And Metal Studs (Black/Silver)
24 Review
Kapro - 353 Professional Ledge-It Try & Mitre Square - For Leveling And Measuring - Features Stainless Steel Blade, Retractable Ledge, And Etched Ruler Markings - 12 Inch
23 Review
➕ Stainless Steel L-Square, Size 3-Inch x 4-Inch, Zona 37-434
8 Review
Kapro 307-08-TMS Try And Mitre Layout And Marking Square With Stainless Steel Blade, 8-Inch Length
18 Review
Triangle Group TR918 225/45 R18 95V summer
61 Review