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12V solar tracker controller and optical sensor with water proof case East / West / South and North limit switch design , It can help the tracker back to East in the night for waitng the morning sun This design can be use for Motor or acutator ( Voltage : 12DCV / 24DCV) This device can help your solar system energy increased by 45%. Easy to use, easy to install, play the best performance of your solar system. There is a price cheaper than the market. Solar tracker type Dual Axis Installation angle it is based on customers’ requirements Installation height it is basedon customers’ requirements Sensor protect with : Water proof plastic case Input power 12 DCV / 24DCV Output power 12 V / 24V Motor and actuator support 12 / 24 DCV ( 45W ) Sensor type 1 set of coptical sensor ( to East/ West /South and North ) Sensor reaction time : 0.5 /S Wind speed detect and strong wind protection function . 4 wind speed setting (10M/s , 12M/s , 14M/s , 16M/s )standard setting by our factory is in 16M/s . Auto return mode in the night . Auto and manually function switch ( Manually function is for easy to do testing ) Double layer sensor design ( for make higher precision )