Features.DURABLE MATERIAL: Solar ladder lights are made of high quality polycrystalline silicon solar panels and durable ABS housing. The solar cells have a long life and can be freely placed, energy saving and environmental protection.ENERGY SAVING: Solar Deck Lights are completely solar powered with a built-in light sensor, no switching required, just pull out the insulated panels to use. After a full charge, you can use it for 8-10 hours to light up the whole night.IP65 WATERPROOF: Compared with other solar tread lights, Harmonic Deck Lights are waterproof with IP65 rating, which can work normally in bad weather such as heavy rain and snowstorms, more durable and rustproof.AUTOMATIC ON/OFF: The solar stair light has no on/off switch because it is solar powered. Simply install it in a sunny area. It automatically turns on at dusk and off at dawn.WIDELY USED: Outdoor solar deck lights are ideal for decorating outdoor fences, stairs, decks and walkways. Add a sense of security and soft light to your deck, porch or other outdoor structures, making nighttime walks safe for your family.SpecificationPower: 5 wattsSolar Panel: 2V / 100mAh amorphous siliconRechargeable battery: 1.2V / 600mAh AAA Ni-MH batteryLight Colour: Warm White / Multi-colour / WhiteCharging time: 6 hours or moreWorking time: 8 hours (F fully charged)Material:PVC+ABSShelf Colour:Brown/Black/WhiteIP Rating:Weatherproof IP65Size:L*W*H 4.5*4.5*8cm 1.8*1.8*3.1 inch.Package Include.4/8/12/16/20/24/28/32/40pcs LED Solar Lights