... half-power IP66 Waterproof solar street light controller1, 8h, 4h, 2h, 1h, LED indicator light by water means that the controller ... (h). This is a street light, solar cells for battery charging that the entire solar street lighting system was normal.When the ... dustproof, moisture, corrosion, can work in the water and harsh environments. Suitable for humid air areas.II: Optical coupling technology, the ...