Dual indication high visibility voltage tester. Tests 100V to 300V AC/DC. Twin probes snap on bottom of housing for easy single hand testing of outlets. 2 large, high-visibility neon indicators positively acknowledge the presence of voltage. First indicator illuminates when 100V to 160V are detected. The second indicator illuminates at voltages from 160V to a maximum of 300V. Insulated leads and housing. UL listed.