Thank you for viewing. This is a dummy security light [red]. #DummySecurityNarupon Equipped with a light sensor, the red LED automatically blinks when it gets dark, making it appear as if the security system is activated. It turns off and solar charges when it's bright. Use it for crime prevention, warnings, and theft prevention. ・No power supply or wiring required ・Easy installation with double-sided tape ・Automatically blinks when it gets dark (slow blinking about once every 3 seconds) ・Micro-USB charging is also possible ※ I have been using solar charging only, always in the ON state, and have not used USB charging at all. It has been working normally for over 3 years. (There are differences depending on the amount of sunlight and individual differences) Box and instruction manual are not included. It will be shipped in simple packaging. #DummySecurityNarupon ・2 pieces → 50 yen off ・3 pieces → 100 yen off Colors available are red and blue. Please comment with the color and quantity. 24-hour instant purchase OK, no need to comment. Please note that we do not offer discounts.