Dusk Till Dawn Photocell Sensor Switch -- The photocell sensor switch can turn on or turn off light automatically according to ambient-light, and it will shut down during the day and open during the night automatically. Easy Operate Light Sensor Value -- 5~100lux adjustable. Clockwise adjust will increase light sensor value; Anticlockwise will reduce light sensor value. Waterproof-- IP55, more suitable for outdoor. Widely Used -- Street light, highway, factories, garden, ports, airports, farm, parks, schools, and other places. Quality Guarantee -- Friendly customer service with 1 Year Warranty.
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