The Chamberlain Group C450 is a chunky garage opener, so isn’t great if you have low ceilings. DC belt drive opener is ultra-quiet in operation and has built-in WiFi as well. For premium customers B1381 and B970 are the goto products as they are wifi connected, battery backed up, timer to close etc whereas for mid-range customers B750 does the job easily. Discover the Chamberlain B1381 ultra-bright smart garage door opener. It incorporates all top quality security features. automatic garage door lock ensures that the garage door is … The Chamberlain Group C450 is our best pick for smart garage openers. High security devices is the hour of the need with frequent house breaks, thieves breaking in etc. So my suggestion is B980 is the best choice when compared to b970 device in terms of security. This is great for package deliveries or if you need to let guests in when you’re not home. Explore features and integrations for this long-lasting, precision engineered opener. The built-in MyQ technology lets you check your door, open and close it from anywhere. B980 falls in between premium and mid range customers. Overall Chamberlain B1381 garage door opener wins the … Price: Comparatively the price of B1381 is high when compared with B970 garage door opener. Chamberlain universal Garage Door Opener B980 is an ultimate security bundle to secure your garage.