The Kobalt ET-17 Receptacle Tester is a handheld digital multimeter designed for testing electrical components. It features separate current and fused current terminals, as well as a manual/push-to-hold function for convenient operation. The true RMS capability ensures accurate readings, while the data hold feature allows for easy viewing of measurements. With a battery door access for easy battery replacement, this Kobalt tester is a reliable tool for professionals in various industries.