30 Led Crystal Globe; Waterproof、 suitable for Indoor & Outdoor.Work for 8 hours if the solar panel absorbs enough sunshine for 6-8 hours during day.Built-in rechargeable battery、 would recharge themselves during the day and automatically light up when sense darkness falling、 and creating an amazing mood and ambience.There are two switch power(On/Off) & mode(Flash/ Steady ) to control the string、 with stake to fix it on the ground.It can create romantic mood and light for patio、 porches、 pergolas、 ponds、 trees、 garden、 sheds anywhere else you want.