1. Cov kev nyeem ntawv yogtsis ruaj khov thiab hloov pauv ntau heev,
2. Rkev nyeem tsis yog qhov tseebthiab muaj qhov yuam kev loj heev.
3. Cov ntsuas dej ntws ultrasonic zoo, tab sis tus nqi ntws qis lossis tsis muaj tus nqi ntws
4. Cov khoom ntsuas tau yog cov khoom dawb huv lossis cov khoom ruaj khov uas raug tshem tawm qis dhau
5. Qhov kev sib txuas ntawm lub sensor thiab cov kav dej tsis zoo, thiab muaj qhov sib txawv lossis npuas ntawm qhov chaw sib txuas.
Lub sijhawm tshaj tawm: Cuaj hlis-26-2022