The Serene Life Humane Rat & Rodent Trap provides you with hassle-free operation. Setup is easy, add bait, power on, and place the trap in the desired location. The humane system is designed to exterminate the pest quickly, using no harmful chemicals. Built-in LED indicator light notifies you if the trap has exterminated a pest. Effectively works with rats, mice and other small rodents. This high-voltage system can be powered by power adapter or battery operated (requires 4 x ‘D’ batteries, adapter and batteries not included).