Machine open: Long press the button for more than 3 seconds.
Wireless;2 batteries included
Wireless models:
Operating voltage: 7.4 V
Usage range: dual use for car and home
Rated power: 40W/50W
Battery capacity: 2000mAh
Setting: Two-speed setting
Suction force, 5,000 pa
Charging time: 1.5 h
Lifespan: 20 to 30 minutes
Dust cup capacity: 0.2L
Description: The product is CE, FCC and RoHS certified.