Flea Doctor Electric Comb. That quickly kills fleas, but is harmless and painless for your pets. No pesticides or chemicals needed! The comb gathers the dead fleas, and an eject button lets your hands free to discard them. Great for cats and dogs of all ages, safe, easy to comb, releases a gentle electrical charge that kills fleas on your pets as you groom their fur. Features: Material: PP Electronic Components Size:17.5*5 cm Power:2pcs AA Batteries (Not included) Packing included: 1*Pet Comb