The bundle includes Volta® Lawn Intelligence™ BASIC service 1/2 Acre (pre-paid 24 months) with 2 X Volta® Lawn Companion™ robots and 2 X recharge stations. All the necessary for your self-caring lawn. 

In the Box you will receive:

   2x - Volta Lawn Companion, black robot.
   2x - Recharge base with standard cable 6 ft (2 meters)
   2x - Extension Cable 16 ft (5 meters)
   18x - Extra blades

It's all you need.