Looking for a low cost "dry" contact sensor using Zigbee or Z-wave plus for HE

[dylan.c]

Might also consider adding one of these to your order.... just in case

SONOFF SNZB-04 ZigBee Door Window Contact Sensor Internal

Finally received my SONOFF SNZB-04 ZigBee Wireless Door Window Sensor ON/ OFF Sync Status on e-WeLink Smart Home Security Works with ZigBee Bridge and got to take it apart and see what's under the hood. Actually came very quick, under 2 weeks with cheapest shipping from AliExpress SONOFF Factory Store, not counting on that to happen again though. My hope is that these will be a less expensive hacking option than the more feature rich($$) SmartThings contact sensors. "Dry Contact Sensor" Turns …