The Smart ATO Micro is a unique Auto Top Off system that monitors and automates refilling evaporated water. Best of all it is very easy to install and contains no moving parts that can fail. This ATO comes integrated with QST (Quick SecurityTechnology) which provides real-time fail safe protection against failure. You simply move the optical sensor to adjust the desired water level within your sump. Its that easy! Controller/Sensor, Power Adapter, DC brushless pump capable of pumping to a height of ~6.5 feet and a maximum flow rate of ~74 gph and 6.5' of water tubing with magnetic mount tubing holder. Will work in complete darkness. DC Feed Pump model: DP-200, Brushless (30000hrs) – Head : 6.5ft (200 cm) Flow rate: 74GPH (280L/HR), Power: 4.5W@DC 12V, Pump cord length: 5.5ft, Power cord length 5.5ft , Pump tubing size: Inner diameter: 6.5mm, outside diameter: 8mm. Note: It is possible to change to the other PUMP or solenoid valve directly(< 10W@12VDC output) Includes: Smart Micro Controller x 1 Power Adapter x 1 DC Refill Pump x 1 Universal Tube Holder x 1 Siphon Break x 1 Tubing 6.5 ft (200 cm) x 1