... ! Main body materialABS Power DC 2 x 1.5V(R20)Aerosol cans300mlInstallation Wall mounted or free stangingWorking time Monday-Friday,Monday ... place home ,hotel,toilet,any public places of indoors Automatic Aerosol Dispenser Feature: This unit is controlled by digital micro-computer ... , the unit will spray soon;When it flash red, the aerosol can need to be changed5.When the batteries is low ...