material:Stainless steel ,plastic
Secure stainless steel spring clip easily clips anywhere you need a little light!
Push button switch
When run out of power, simply open the cover, you can easily put a new battery continue to use
A metal carabiner fixes to the dogs collars with one click. The lights are a little hard to switch on at first, but when you get used to switching them on they are easy to use and very bright. Clicking the light once gives a constant light while clicking twice makes it flash . The light is bright enough to see the dogs over some distance or when they disappear into bushes.
Desuper Dog Collar Spotlit LED Spot Light - B019H2RCK2