AUTOMATIC DARK SENSOR & ENVIRONMENTAL PROTECTIONSolar garden lights have ON/OFF switch and automatic dusk sensor. The solar lamp automatically recharges during the day and automatically lights up at night. You save energy expenses and additionally are environmentally friendly. 600MAH BATTERY & LONG LIGHTING LIFE: Gabless solar lights are equipped with a powerful 600mAh NiMH battery that charges in sunlight . During the day, the solar lights will automatically absorb solar energy (charging time: 6-8 hours), then they will light up at night for about 8-10 hours. IP65 WATERPROOF & 304 STAINLESS STEEL: The solar lights outdoor chairs are made of high quality 304 stainless steel and can withstand a weight of up to 200 kg. With IP 65 waterproof design, the solar lights can be used in different weather (sunny day / rain / snow / wind) and environmental conditions. Wide Usage: The solar ground lights are wireless, install them on the floor would be safe for children and pets. It is suitable for your driveway, path, landscape, garden, patio, lawn, etc. EASY INSTALLATION & PRODUCT GUARANTEEBefore sinking into the ground, please press the "ON" button, slide the lamp from garden in the ground after installation, thanks to the ground stake, the solar lights can be firmly anchored in the ground in the desired place. If you have any questions, do not hesitate to contact us.