It's powered by 4x AA batteries, claimed to be good for a year. If that's true it's unbelievably efficient considering the hardware store models also run on 4x

It's powered by 4x AA batteries, claimed to be good for a year. If that's true it's unbelievably efficient considering the hardware store models also run on 4x AA batteries but don't have a Wi-Fi + Bluetooth radio running all the time. https://lockitron.com/pdf/lockitron_manual_knob.pdf https://lockitron.com/pdf/lockitron_manual_knob.pdf page 5