Home Slickdeals Klein Tools RT250KIT Non-Contact Voltage Tester and GFCI Receptacle Tester with LCD... Slickdeals Klein Tools RT250KIT Non-Contact Voltage Tester and GFCI Receptacle Tester with LCD and Flashlight, Voltage Electrical Test Kit $24.99 + FS with Prime at Amazon By ARCOM - 16 August 2023 33 0 SHARE Facebook Twitter Go to the deal page: Klein Tools RT250KIT Non-Contact Voltage Tester and GFCI Receptacle Tester with LCD and Flashlight, Voltage Electrical Test Kit $24.99 + FS with Prime at Amazon