600MAH BATTERY & LONG LIGHTING TIME: Solar outdoor light is built-in with a powerful 600mAh NiMH battery which is recharged by solar energy. During the day, the solar lights will automatically absorb solar energy, then light up at night for about 8-10 hours. Dark sensor & ENVIRONMENTAL PROTECTION:The solar ground lights are equipped with ON/OFF switch and twilight sensor. You just need to turn on the button before using, the solar lights will automatically charge during the day and automatically light up at night. You don’t need to pay energy costs and it’s also eco-friendly. IP65 WATERPROOF & MADE OF 304 STAINLESS STEEL:The outdoor solar lights are made of high quality 304 stainless steel and can withstand weight up to 200kg. Thanks to the IP 65 waterproof design, the solar lights can be used under different weather (sunny day / rain / snow / wind) and environmental conditions. UPGRADED MATERIAL:gabless Solar ground lights has 8 upgraded LEDs (SMD2835), the LED with the brightness is