... three time periods with a series of half-power IP66 Waterproof solar street light controller1, 8h, 4h, 2h, 1h, LED indicator ... voltage.I: Unique cooling technology, the controller closed tight with waterproof, dustproof, moisture, corrosion, can work in the water and harsh ... function parameters, namely the system model and control parameters and data are stored in the chip, not lost when power to ...