The Insect Zapper 2 Pack Patented Open End of the Racket Zapping Area for Corners and Ceilings. Patented LED Light, Press ON-Press OFF Power Switch. 2400 Volts up to 3000 Volts. Double Strength Safety Screens. Uses D size Batteries for Lots of Power. Unit Opened and Tested Before Shipping. 1 Year Guarantee $7.50 replacement cost. FREE USPS PRIORITY MAIL shipped within 24 hrs except Sat. & Sunday shipped Monday.