YHJIC Frequency: 50-60HzUse: open during the day or night, during the day and switch off the evening off, without manual operationWith design, installation, reliable, small size, light weight, easy installation, long life advantages.Widely in street lighting, highways, factories, gardens, , airports, farms, parks, schools and other places.Package Contents:10 x Photocell Street Light Photoswitch Auto On Off SwitchOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.