Ultrasonic Rechargeable LED Dog Behavior Adjuster Deterrent Training DFeatures: 1. More Effective than the most expensive, effective dog behavior training on the market with a 3 Tiered Procession that puts you in full control; 4x Chase Stopping Sounds, 2x Bark Eliminating Sonic Waves, 1x PoliceBright Ultra Deterrent Light & even a flashlight to enjoy those late evening strolls. 2. While only 10% of dogs become immune to our already advanced 25kHZ dog barking control devices we refuse to stop short of 100% effectiveness,