Inbuilt with smart light control, automatically charge during the day and automatic lighting at night. Withstand water-resistant, rust-proof, dust-proof and moisture-proof. Easy to install, no electricity bill, no wiring. 10Hrs illuminates and never feel pitch darkness when you climb the stairs at front door or garden. Ideal for decorating outdoor stairs, fences, decks, walkways and more. *SENSITIVE LIGHT SENSOR: Without switch, just pull out the insulator tab to use. It turns on automatically at dusk and turn off at dawn. *10HRS RUNTIME: Come with rechargeable Ni-CD battery, 6-8Hrs fully absorb sunlight and sustains 10Hrs illumination. Never feel pitch darkness when you climb the steps at front door or garden. *IP55 WATERPROOF: Made of PVC and ABS materials, withstands rain, wind, or small snowy days . Note: Don’t immerse them in water or any other liquid. *EASY INSTALLATION: It can be installed at anywhere with included screws. The size is suitable for the deck, no worry about tripping. Note: Please drill right hole-size before installation. *WIDE APPLICATIONS: The solar wall lights outdoor perfect for illuminating stairs, paths, gardens, decks, etc.. Note: *The light sources are not replaceable, if the lamp stops working, it should be discarded. *Do not attempt to charge batteries with a battery charger that is connected to the mains, and do not attempt to run the solar lamp from the mains. *Do not place solar lamps near sources of light, such as street light, this can prevent them from lighting up. Brand: SolarEK Product Type: 4Pcs Solar Step Lights Battery: 1200mAh Rechargeable Nickel Cadmium Battery Per Light LED Bead Quantity Per Light: 1Pc Per Lamp Power: 0.5W Light Source Available: White Lighting/Warm White Lighting Product Color Available: Brown, Black Solar Panel: 2V/60mAh Monocrystalline Fully Charged Time: 6-8Hrs Runtime: About 10Hrs Material: PVC ABS Performance: IP55 Waterproof Solar Panel Size: 3.7x2.6cm/1.45x1.02in Per Item Size: 7.2x4.2x4cm/2.83x1.65x1.57in Per Item Weight: 31g/0.068lbs 4Pcs Package Size: 16x16x5cm/6.3x6.3x1.97in 4Pcs Package Weight: 152g/0.34lbs 4Pcs x Solar Step Lights 4 Bags x Screw 1x User Manual