Feature: 1. Bluetooth Connection: This intelligent solar panel regulator supports Bluetooth connection, mobile APP to view data and settings anytime and anywhere, no need to run around, 7 days cloud data storage. 2. LCD Display: This solar panel battery intelligent regulator adopts LCD display, the intuitive LCD display can clearly show the status and data, you can switch the mode and parameter configuration. 3. Multiple Intelligent Guards: This solar charger controller has multiple intelligent guards, built in overcurrent guards, short circuit guards, reverse connection guards, open circuit guards, full auto recovery, no damage to the controller, it is a reliable protector for your equipment. 4. Built In Industrial Microcontroller: This MPPT solar charge controller has a built in industrial microcontroller for automatic management, which can store all kinds of parameters set by the user, and the data will not be lost when the battery runs out. 5. Wide Application: This solar panel charge controller has a wide range of applications, it can perfectly guard the lithium battery from over discharging, which is suitable for home, industry, business and so on. Specification: Item Type: MPPT Solar Charge Controller Material: PC Rated Discharge Current: 15A System Voltage: 12V, 24V (Self Adaption) Maximum PV Voltage (12V, 24V): 18V Solar Panel for 12V Battery, 36V Solar Panel for 24V Battery <40V USB Output: 5V 2A Maximum Connection: Supports Bluetooth. Package List: 1 x MPPT Solar Charge Controller 1 x Manual