Love this product. Cheaper than almost anything on the market and just as good. The only thing that could give it a run for it’s money is the new sonoff cam. I wish they’d use Zigbee for the bridge sensors. The bridge does have a fairly limited range despite the claim it can connect up to 100 devices. I live in a 3br house and the bridge struggled to detect the sensor from the front door to the back door. Other than that they’ve been great!