Characteristic: The product is a multifunctional LCD solar controller with a clock display and seven operation modes: charging mode, light control mode, light and time delay control mode, universal control mode, manual control mode, time control mode and test mode. Below that, the test mode is only applicable to the factory test. Charging control is applicable to any mode, as long as the charging level is reached, can be charged immediately. Discharge control varies as different control modes change, under no-fault conditions, specific instructions as follows: 1. Charging mode: Definitely not discharged. 2. Light control mode: when the controller detects nights, it will delay ten minutes and then start discharging; When it recognizes the day, it delays ten minutes and then stops discharging. 3. Light and time delay control mode: when the controller detects nights, it will delay ten minutes and then start discharging and counting down. When the timer stops at zero, the discharge stops. The longest delay time is 23:59. 4. Universal control mode: In the healthy state, it keeps discharging. 5. Manual Control Mode: It will use to unload or not. 6. Timing mode: it regularly opens or closes the discharge. 7. Test mode: It is the same as the light and time delay control mode, but only loses ten minutes of time delay. 8. The controller still discharges under low voltage protection. Press and hold for 5 seconds to resume discharging. But the discharge is only stopped manually. Note that this power can damage the battery, be careful with it! The package includes: 1*Host Machine, 1*Manual Have a great time shopping!