... Capability: 300 ML Operation: by battery hot selling high quality digital micro-controller aerosol dispensers Technical Information:Model: ... capping,use the key to open the bottom cover,along the "OPEN" direction of the arrow ... to open the cover and turn switch to "OFF" 2.Insert two ... OFF,24H,DAY, NIGHT) ,and close the cover,it works one time.Always ensure that the dispenser ...