Electrical Shock Hazard: When electric wires are connected to your back plate, live recent is available at The 2 steel Make contact with posts. Right before opening the back cover, turn off all power on the doorbell chime within the circuit breaker. I have owned this product for two yrs. https://emilioicuoh.bloguetechno.com/rumored-buzz-on-arlo-doorbell-warranty-54831949