GSL SS-GSL-E55 Stainless Steel Sensor Wall Mount Solar Light Measurement: H: 6 x W: 3.75 x D: 6 Charging one day sustainable 12 hours lighting. The lamp will turn on 100Percent bright for 30 seconds. 1W LED brightness can give enough illumination for customer Highly waterproof and heatproof can let you install outside of door such as in garden, door, Park, street ect. Dark: restore energy and keep dark in the daytime