Robot vacuum cleaner

SPECIFICATION:
1.Diameter:13.5inches/34.5cm
2.Height:4.3inches/11cm
3.N.W: 4KG
4.G.W: 6KG
5.Inside packing:43.5*42.5*16.5cm(1 Unit)
6.Speed: 0.4m/sec
7.Vacuuming Duration:30-45 min
8.Charging Duration:2 hours
9.Vacuuming power :80w
10. Noise level: 70db
FUNCTION:
1.High speed auto-vacuum :yes
2.Cleaning methord:vacuum ,silica roller
3.Vacuum program: normal ,spot
4.Obstacle avoiding:Bumper
5.Obstacle Crossing: 15mm
6.Recharge:Manipulating
7.Self-protect: Fall prevention,Motor Impending Alarm,motor folding Alarm.
8.Operate interface: Keying, Buzzer