I bought two of these and they don't work.
I'm in the process of requesting a returnI did return them and have received credit.
Wsdcam Door And Window Alarm For Home Wireless Alarm Security System Magnetic Alarm Sensor Close Door Reminder Loud 110 DB, 4-In-1 Mode Window Alarms 10 Pack
41 Review
Longruner Day & Night Vision Camera For Raspberry Pi: 1080P HD Video With 5MP OV5647 Sensor - Perfect For RPi 4, 3B+, 2B, Zero W & More!
20 Review
UHPPOTE Fire Control Expansion Panel Board For Access Controller With Enhanced Alarm Output
13 Review
Wireless Smart Siren Alarm For Home Security With 110 DB Volume, Panic Alert, Remote Control, And Compatibility With Alexa, Google, Home Assistant, IFTTT - Requires Hub
13 Review
TV Tuner LUMAX DV-2120HD
15 Review
HOMELYLIFE 600W High Power Voltage Reducer DC 48V 60V 72V Step Down To DC 12V 50A Buck Converter Waterproof Module Car Truck Power Regulator Transformer
12 Review
DC/DC 12V To 24V Boost Converter 40A 960W - Waterproof Voltage Regulator Module For Car Power Supply (10V-16V Input)
15 Review
EXuby Digital Converter Box For TV With RF/Coaxial And RCA Cable For Recording And Viewing Full HD Digital Channels Free (Instant Or Scheduled Recording, 1080P HDTV, HDMI Output, 7 Day Program Guide)
12 Review