Purchased 10 HD powerview blinds for new home; had electrical wiring installed (so no battery pack needed); have had to had at least 4 motors replaced; had to pay service technician to install - costing $150 per visit; These blinds are only 3 years old! Must constantly reset them; reprogram them. I would not recommend anyone purchase them. They are lovely but unreliable and VERY expensive. Customer Service from HD is non-existent they refer you to your dealer who is stuck trying to get parts from HD. User's recommendation: Do not buy these blinds.