motor provides ultra-strong airflow for deep cleaning of microscopic dust. Strong wind. Quickly clean up dust and , clean without dead ends. Small and portable. Efficient battery life, long-lasting dust collection Fit for different devices cleaning ranging from the computer, camera lens, laptop, air conditioners, sofa, printed circuit boards to electronic instruments, devices cleaning; Perfect Replaces Compressed Gas. Instructions for use: Press and hold for 3 seconds to start work, the default light is always on. After the single machine switches gears and starts, the single machine button will work in the second gear, and the single machine button will work in the third gear again. Then stand-alone pause, press and hold for 3 seconds to shut down, and the lights are turned off. Indicator light: The red light flashes when charging, the red light is solid when fully , and the green light is on when working. (Please read it carefully after purchasing, if you have any questions, you can contact our customer service first.) Product Information: Specifications: 6000mah dust blowing Charging input current: 3A Output voltage: 7.4V/12V Output current: 3A Rated power: 35W Standby power consumption: Less than 50UA Charging port: -C port Charging time: about 3H Use time: 35 minutes Battery capacity: 6000MAH Colour: Black Material: ABS Noise: Less than 80db protection: overcurrent protection, overvoltage protection, overdischarge protection, short circuit protection Package Contents: 1 x dust blower kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.