Note: The battery box space is compact. After adding 3 batteries, make sure the battery is fully contact with the positive iron sheet. Some batteries do not completely contact the positive electrode after installation. Just manually reset it to run normally. RECORDING LED LIGHTSLED soft light, no glare, no flicker, harmless to the eyes, does not affect sleep.Our lights are carefully crafted to retain their brightness and last for a long time. The sign on air is built for indoor use. Easy Install and Remove. DURABLE AND RELIABLE Our lights have been carefully manufactured to maintain their brightness and ensure a long service life. The air shield is intended for indoor use. Easy installation and removal. It can be installed anywhere, very convenient. CREATE AN INTERESTING ATMOSPHERELED sign may deliver just the right amount of luminosity. Add a pop of color with these lovely decorations that stand out no matter where you put them in. With ON AIR light signs, you will immediately say goodbye to dull walls and say hello to the good times. If youre a streamer/gamer/influencer on social media platforms, this LIVE sign light is a must-have light to your setup. Fun, bright, cool and super easy to use, they add more personality and style to your streaming/live background.