A. [Perfect garden light replacement solution] This solar replacement light with an LED bulb has a diameter of about 8 cm and is suitable for most garden lights. During installation, simply remove the old battery box and install this solar replacement light on top to enjoy a nice lighting effect. B. [Automatic solar lighting] The solar replacement light with an LED bulb uses a large-sized solar panel. It absorbs light during the day and turns on automatically in the evening. After being fully charged, the top of the replacement light can emit light continuously for 6 - 12 hours. C. [IP65 waterproof] The solar replacement light with an LED bulb has a waterproof design and can work normally even in stormy weather. (In thunderstorm weather, the solar panel on top of the replacement light may have insufficient power supply due to insufficient light.) D. [Easy to install and use] The solar replacement light with an LED bulb is very simple to install. You just need to plug it in. The LED solar panel lamp cover with a switch can be turned off when not in use to save energy. There is no need to charge with batteries or mains power. It can be charged with just sunlight. A set of 4 replacement solar lights with LED bulbs can meet your daily needs.