LED Bulb Garden String Lights,WONFAST Waterproof 20ft 20LED Plastic Globe Ball Fairy String Lights Battery Powered for Indoor/outdoor (Clear Ball-Warm) Waterproof Design: IP44 rating suitable for indoor and outdoor use; It's a waterproof string lights, but to maintain a long using life, please do not use it in the water. 20 led bulbs ball create excellent illumination and a beautiful atmosphere, spreading light and cheer across a wide area Energy saving and environmental protection: light is healthy, does not contain ultraviolet and infrared light, no radiation, no pollution, protect eyesight. 6 Hour On/Off Timer Function (To turn on this product please hold power button for 3 seconds) NOTICE! Only for decoration,they cant be the main light source. 3 x AA battery are not included in standard package.The battery box is not waterproof, please keep it away from the damp place.