Simple to install, no wiring or electrical knowledge required Solar garden lights Ideal for patios, paths, borders, ponds and driveways Lights are powered by rechargeable batteries which are already fitted ; The battery capacity is 600mAh Ni-MH, 5-8 hours lighting time after 4-6 hours sunlight charging Just turn the switch ON and stick solar lights into the soil , then solar garden light will automatically recharge the battery by solar energy during the day time,and automatically turn on when night falls Approx size9*6.5*30CM; Satisfaction guarantee and friendly customer service within a 24-hour support. Any questions with these solar lights - Contact us- and you will get 360-day free replacement warranty