Premium Quality & Battery Operated: Premium aluminum alloy shell novelty light, built-in durable cooling fan, better heat dissipation performance & longer service life. Built-in 4000mAh rechargeable battery, which can last for 8 hours after a full charge. Remote Control & Sound Sensor Rhythm Disco Light Remote control with ease to adjust ON/OFF, Patterns, Background Colors. Larger Lighting Area & Wide Application Our portable rave light provides up To 500sq.ft flash irradiation area, which is totally different from most of party disco light. It is suitable for indoor and outdoor use, home bedroom decoration, birthday party, disco, bar, skating rink, banquet, family gathering, wedding, outdoor BBQ grilling light, public plaza, hotel, Karaoke, concerts and other entertainment venues.