Full waterproof design, washable, anti-infrared interference.
Sensing distance, the distance from the sensor to the hand is 2-3 inches is the appropriate distance.
The factory default amount of the liquid output is 1ML.
After 2 seconds, a second liquid will be released (if the palm stays for more than 2 seconds).
Before replacing the new battery, press the power switch of the base, install a new battery, and change the battery cover, and press the key again.