TP-Link Smart Contact Sensor (Tapo T110) Price$29 Price checked yesterday at MSY Cheapest of 7 stores
Shelly BLU Door/Window ZB - White (SH-SHELLYBDWWZ) Price$29 Price checked yesterday at MSY Cheapest of 2 stores
Out of stock Fibaro Z-Wave Door Sensor Version 2 White Price$69 Price checked yesterday at MSY At 2 stores
Out of stock Fibaro Z-Wave Door Sensor White (FIB-FGK-101) Price$49 Price checked yesterday at MSY At 2 stores
Out of stock Shelly BLU Door/Window - Black (SH-SHELLYBDWB) Price$28 Price checked yesterday at MSY At 2 stores
Out of stock Xiaomi Mi Door and Window Sensor 2 Price$9.95 Price checked yesterday at MSY At 2 stores