Review on Padonow Smart Bike Tail Light: Ultra Bright Rear Bicycle Flashlight with 🚴 Auto On/Off, High Lumen Daytime Strobe, and USB Rechargeable Safety Red LED Taillight by Matt Sirmons

I ordered one of these for my bike and one for my wife's bike. I charged them as soon as they arrived and then tried to use them. The auto shut off feature doesn't work at all. Turned them both on, turned on the flash and placed them on my desk to test the shutdown feature. They never turned off as advertised. After 15 minutes I turned them off manually. Having to turn them on or off manually overrides the reason I bought them. Don't buy them if you want to automate some systems for your bike. I'm sending both of them back immediately. .