Automatic retractable pet tractor

Product material: PC/TPU, zinc alloy
Standby time: 3 months
Applicable pet type: central dog, cat
Continuous working hours: 8 hours
Rated voltage: DC 5V (charger)
Maximum load: <50 kg
Rated power: 2.5W/500mA (charger)
Waterproof level: IP64
Built-in battery: 3.7W/400mA