It’s this one! Darken the room and look into it for at least 10 seconds
Hawofly LED Flame Effect Light,USB Rechargeable Flameless Candles, Led Blue Fireplace Light with Timer and Remote, Lantern Lights Outdoor Flame for Bedroom Bar Party Home Decor : Amazon.co.uk: Lighting
It’s this one! Darken the room and look into it for at least 10 seconds
Hawofly LED Flame Effect Light,USB Rechargeable Flameless Candles, Led Blue Fireplace Light with Timer and Remote, Lantern Lights Outdoor Flame for Bedroom Bar Party Home Decor : Amazon.co.uk: Lighting