1. HDPE plastic electric sprayer, 2. diaphragm pump, 3. with battery and charger, 4. light weight and easy for operation This electric sprayer is of high efficiency and powerful, with 12V diaphragm pump which of light weight, for one charge you can use for 4 to 6 hours continiously. Tank MaterialPloyethyleneTank Capacity18 LitersBattery12 Volt, 7.0Amp/Hour Sealed Lead/AcidCharger220 Volt 50/60Hz ...