PaiPaitek PD166 Pet Safe Physical Worming Electronic Comb Pet Flea Control Brush(Black)1. Charge for 2 hours, can discharge continuously for 8 10 hours 2. IP65 waterproof, the comb teeth will automatically stop discharging when in contact with water 3. Can replace insect repellent drugs 4. Healthy and environmentally friendly, no harm to pets 5. Effectively repel lice, fleas, mites, ticks and other external parasites 6. Function: comb + electrostatic repellent 7. Battery capacity: 3. 7V 800mAh 8. Charging port: Type C Specification: