Lowe's offers the Kwikset Electronic Single-Cylinder Deadbolt in Satin Nickel (pictured), model no. 99090-002, or Polished Brass, model no. 909 L03, for $79. Shipping adds $5.99, or choose free in-store pickup. Even with shipping, that the lowest total price we could find by $15. Sales tax is added where applicable. It features two access codes and automatic door locking. Offer expires July 18.