EASY INSTALLATION: Take off the cover and use the attached 2 screws to mount the light. Put on the cover.DAY NIGHT SENSOR: It's day night sensor, not motion sensor light. It will automatically come on at night and charge itself at daytime.GREAT LIGHT DESIGN FOR DECOR: It's decorative fence post light, not spotlight. It gives off a nice light design below the light plastic cover.TWO WAYS TO REMOVE THE PLASTIC COVER:1. Please squeeze the sides and pull out the plastic cover, done.2. There is a slot at the bottom of the semi-circle cover, use a flat screwdriver, just a slight click, done.SPECIFICATION:1. NiMH battery: 1.2V 600mAh2. Solar panel: 2V 0.26W3. LED: 6pcs4. Solar panel charging time: 6 hours 5. Working time: Over 10 hours in Summer, 2-5 hours in other season6. Material: ABS plastic7. N.W.: 4.72 ounces8. Product size: 3.58 x 2.52 x 2.05 inchesKIND NOTES:1. The run time varies, it depends on how much cloud cover and sun there is. It sometimes light fewer hours in Winter.2. Please note that the date printed on baterry is Production Date, not expire date. (battery life: about 2 years)3. Please make sure to turn the switch to ON at the first time you use and fully charge the lights.4. Please make the solar panel be faced with the sunlight directly without any shelter or glass.