Sun YOBA Solar Controller Solar Regulator 20A 12V 24V M20 This is an intelligent and multifunctional solar charge controller, it's PWM charging mode. Adopt customized LCD display screen, which makes the operation on the interface more convenient. All the controlling parameters can be reset flexibly to satisfy your different needs. The visual LCD graphic symbol ,and the Brief key operation makes it looks cool and easy to operate.User can a key to open and close the load,and a key to restore the factory settings. 12V/24V auto switch ,Various protections include protection for battery back discharging,protection for battery low voltage,overloading & short-circuit protection and battery reversed protection. Temperature compensation function, the controller can automatically adjust the charge parameters of battery by environment temperature to prolong the service life of battery. The temperature sensor is included, if you can not find it in the package, contact with the seller to get it.