Delta Stun Gun 800,000 Volts. Two switches to prevent accidental discharges. Unit requires one nine volt battery for operation (not included). Measures 4" x 2.5" x 1" wide. Weighs 6.4 ounces without the batteries. Complete with lanyard strap and nylon case. Not legal in all areas and states, check local laws before buying or carrying. Available in 100,000 Volts (DBA-360), 200,000 Volts (DBA-365), 350,000 Volts (DBA-362), 600,000 Volts (DBA-361, and 800,000 Volts (DBA-363).