I don't see an expiration date so possible this is the standard bundle price now.
If you buy (2) 2 packs you should be able to use WELCOMEBG5 for $5 off for a total of $114.98 + FS. I didn't so can't confirm the checkout completes with it.
Note: can be hardwired and work as a repeater based on information from Aeotec on forums
Aeotec by Aeon Labs MultiSensor looks like a motion sensor and it acts like one too. But its also so much more. Installing this 1 piece of Z-Wave technology is the same as installing 6 pieces of Z-Wave technology. Your home control network will immediately understand motion, temperature, humidity, light, Ultraviolet and Vibration readings wherever MultiSensor installed. Those intelligent readings will equate to intelligence automation. And intelligent automation will give you the perfect, smart home.
Z-Wave Certification ID: ZC10-15070011
Frequency Region: U.S./Canada/Mexico, Z-Wave Library Version: 6.51.06
Device Categories: Sensors
Supported Command Classes: Association,AGI,Configuration,Powerlevel,Wake Up,Notification,Battery,Multilevel Sensor,Firmware Update,Binary Sensor,Security