Once I found the weird square battery it needed, months later it app appears to work well. The screw driver I got off ebay didn't have a part necessary for ot to work so I can't tell you if it's finding studs yet or not. It could be finding pipes. Idk yet .
Thermometer B.Well WF-4000 white
57 Review
VIVREAL 4 In 1 Stud Finder Sensor Wall Scanner - LCD Display, Sound Warning & Auto Calibration For Wood AC Wire Metal Detection
13 Review
Room temperature and humidity sensor Aqara Temperature and Humidity Sensor white
25 Review
Qingping Qingping Bluetooth Smart Alarm Clock Green
22 Review