Item Type: Solar Controller Product Material: ABS Voltage: 12V 24V Automatic Identification Maximum Power Generation Current: 10A / 20A / 30A Floating Voltage: 13.7V / 27.4V Low Voltage Disconnect: 10.7V / 21.4V Low Voltage Recovery: 12.6V / 25.2V Working Temperature: -20~+60 1This solar charge controller can help you automatically manage the work of solar panels and batteries in the solar system, compatible with 12V 24V. 2Light control + delay control, adjustable charge and discharge parameters, power off memory function, precise control, solar protection equipment. 3LCD screen + control function, including charging and discharging status display, cumulative generation and discharge query, temperature display. 4Built?in over current, short circuit, open circuit, reverse connection, protection; self recovery protection, will not damage the controller, extend the service life. 5The connection terminals have corresponding icons and signs, which are used to connect batteries, solar panels and DC loads.The controller will generate heat when it is running, please be careful to install the controller on a flat, well?ventilated surface 1 x Solar Controller 1 x Temperature Probe 1 x Manual