It is easy to fast to apply

and scan for the channel(scanning for channels may last around 1 hour)

It's not a bell

Machine Screws

Interactive Cat And Dog Toy Style:Whale It is easy to fastIntroducing an interactive dog and cat toy, with interactive sensors that will keep your dog and cat entertained for hours. FEATURES Contact Motion Sensor There's a silent contact motion sensor that starts instantly when your dog or cat starts playing and stops when they stop. Pet Safe Plush Material & Rechargeable Battery Made with durable and plush TPR Grade padding designed to withstand strong chewers and tested thousands of times for safety. It